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The purpose of this page is to store mechanics tests from the Advanced rulebook that were useful in a previous version of the game, but due to card or mechanics changes no longer apply.

Playing/summoning a minion[]

(Warsong Commander was changed in Patch 3.2.)

  • You play Goblins vs GnomesRecombobulator targeting a LegacyHarvest Golem. During the Battlecry Phase, the Harvest Golem transforms into a (pre-nerf!) LegacyWarsong Commander. During the After Summon Phase, the new Warsong Commander triggers and grants the Recombobulator Charge.[1]
  • If you play a LegacyLightspawn with a (pre-nerf!) LegacyWarsong Commander on the board, by the time the After Summon Phase has been reached, the Aura Update (Health/Attack) Step has been called multiple times between outermost Phases and Warsong Commander sees a 5/5 and cannot give it Charge. If instead of playing you summon it such as via Blackrock MountainResurrect or out of an enemy NaxxramasDeathlord, because it is inside of a parent Phase, the Aura Update (Health/Attack) Step is not running, and so Warsong Commander sees a 0/5 and grants it Charge.[2][3]

Coldarra Drake and Garrison Commander[]

(Totally overhauled in 5.0.)

Related Video for this section: [Hearthstone Science] TGT Science #02: Coldarra Drake/Garrison Commander - Trigger or Aura?

In addition, The Grand TournamentColdarra Drake and The Grand TournamentGarrison Commander refresh your Hero Power at the following two timings:

  • After being Played, Summoned or Transformed into, at the following Summon Resolution Step. (This is after Aura Update (Health/Attack) but before Death Creation Step).
  • In the Inspire Phase, as though they were Inspire trigger minions.

Examples:

  • If you use LegacyMind Control to steal a The Grand TournamentColdarra Drake, it does not refresh your Hero Power, because neither the 1st nor the 2nd case occurred.
  • If you summon The Grand TournamentColdarra Drake or The Grand TournamentGarrison Commander, no matter how quickly it dies, your Hero Power is still refreshed. The only way for your Hero Power to not be refreshed is if the minion leaves play in the same Phase it's summoned (such as by being bounced back into the hand).
  • If you kill The Grand TournamentColdarra Drake or The Grand TournamentGarrison Commander using your Hero Power, either directly or indirectly (such as by killing an Goblins vs GnomesExplosive Sheep, your Hero Power is not refreshed, because it was going to trigger in the Inspire Phase but was removed from play first.
  • If you summon Goblins vs GnomesOne-eyed Cheat, The Grand TournamentGarrison Commander and another Goblins vs GnomesOne-eyed Cheat in the same phase, when it ends, the first Goblins vs GnomesOne-eyed Cheat triggers, then your Hero Power is refreshed, then the second triggers.[4]

The Grand TournamentGarrison Commander can only refresh your Hero Power if it was used just once this turn. However, if you replace your Hero or Hero Power, this counter is reset, and Garrison Commander will give you two uses of your new Hero Power.

Playing a spell[]

(The Targeting Phase changed in Patch 4.2.)

  1. Targeting Phase: Blackrock MountainDragonkin Sorcerer, LegacySpellbender, The Grand TournamentEydis Darkbane and The Grand TournamentFjola Lightbane Queue and Resolve here. (If the target is changed by Spellbender, anything that already queued to trigger in this Phase still will.)[5][6] [the Death Creation Step and Summon Resolution Step is skipped following this Phase.][7][8]

Combat[]

(Snake Trap was changed to be High Priority instead of Low Priority in an unknown Patch - probably 4.0.)

  • If an Goblins vs GnomesOgre Brute targeted a minion but Clumsy triggers and redirects it to target the enemy Hero, regardless of order of play, the enemy LegacySnake Trap never triggered, because the High Priority Greedy Queue finished before the Low Priority Greedy Queue started.[9][10]

Also, Cutpurse used to be a trigger on the Proposed Attack Event, not the Attack Event.

Also, it looks like before GvG, Vaporize was a trigger on the Attack Event, not the Proposed Attack Event ( https://www.youtube.com/watch?v=Vk6W-zt4yv4 ).

Copy effects[]

(As of Patch 7.1 this is no longer observable due to changes to Mirror Entity.)

  • The 'pending destroy' state isn't copied. For example, if you play The League of ExplorersSacred Trial then LegacyMirror Entity and your opponent plays a minion that triggers both, your copy will not die.[11]

Dominant Player Bug[]

(Snake Trap was changed to be High Priority instead of Low Priority in an unknown Patch - probably 4.0.)

  • You play LegacyBlessing of Wisdom, your opponent plays LegacySnake Trap then LegacyMisdirection and you play a final Blessing of Wisdom. Blessing of Wisdom and Snake Trap Queue in the Low Priority Queue, so if you are the dominant player your two Blessing of Wisdoms go off before Snake Trap, but if your opponent is the dominant player, his Snake Trap goes off before your two Blessing of Wisdoms. (Misdirection always goes first because it is in the High Priority Queue.)[12][13]

(Because Enchantments no longer change Controllers when the attached minion changes Controllers in Patch 5.0, Shadow Madness/Power Overwhelming always works correctly now.)

  • You cast LegacyShadow Madness on an enemy minion then LegacyPower Overwhelming on it. At the end of your turn, during the End of Turn Phase, if you are the Dominant Player, Shadow Madness queues and resolves in the Dominant Player's Queue, invalidating Power Overwhelming that also queued. Then, in the Secondary Queue, the Power Overwhelming is eligible, queues and resolves, and the minion is destroyed on its original side. However, if you are the Secondary Player, the Shadow Madness queues and resolves in the Secondary Queue, so the Power Overwhelming remains untriggered until the next End of Turn Phase.[14][15]

'Force play' and play order bug[]

(This bug was fixed in an unknown patch - 3.2 to 4.1. https://github.com/HearthSim/hs-bugs/issues/67#issuecomment-167433350 )

NaxxramasDeathlord[16], NaxxramasVoidcaller[17], LegacyAlarm-o-Bot[18], Goblins vs GnomesAncestor's Call[19] and The Grand TournamentVarian Wrynn[20][21] all have in common that they forcefully move a minion from your hand or your deck into play. They all also have a bug in common that the minion thus summoned is the oldest in the order of play, not newest, when considering simultaneous Deaths. The order of play is non-bugged when considering triggers, such as end of turn trigger order or on-Death trigger order, or when considering other Events, such as simultaneous Damage.

More specifically, for the purposes of simultaneous Deaths, their 'timestamp' (which is updated when an Entity is generated (including summons, effects like Blackrock MountainGang Up or at the start of the game) or played) is not updated when force played for the purposes of simultaneous Deaths, but is updated for all other simultaneous ordering purposes.

Examples (bug):

  • You have a LegacyHarvest Golem out and destroy an enemy NaxxramasDeathlord, putting into play a Goblins vs GnomesPiloted Shredder, then play a NaxxramasHaunted Creeper. Your opponent casts LegacyFlamestrike. Despite the expected order of play being (Golem, Shredder, Creeper) the Deaths are considered and their Deathrattles triggered in the order [Shredder, Golem, Creeper] due to the force play/play order bug.[22] The same bug happens with LegacyAlarm-o-Bot[23] and Goblins vs GnomesAncestor's Call[24].
  • Similarly, if NaxxramasDuplicate was in play, the Deaths are considered in this bugged order which is why the Deathrattles triggered in that order, so you would get two Shredders, not two Harvest Golems.[25]
  • You play a Goblins vs GnomesClockwork Gnome, cast Blackrock MountainGang Up targeting Goblins vs GnomesExplosive Sheep, play a LegacyLeper Gnome then bring a Gang Up'd Explosive Sheep into play by destroying a NaxxramasDeathlord. All 3 of these minions die simultaneously. Because of the force play/play order bug, the Explosive Sheep has the timestamp from when it was created by Gang Up, and so the order of Death Event resolution is Clockwork Gnome/Explosive Sheep/Leper Gnome, rather than the expected Clockwork Gnome/Leper Gnome/Explosive Sheep ordering.[26]

Examples (no bug):

Moving between Zones[]

Fixed in Patch 4.0.

  • You have 9 cards in hand, NaxxramasBaron Rivendare and either The Grand TournamentThe Skeleton Knight or The Grand TournamentAnub'arak on the field. When the minion dies, it bounces itself to your hand on the first Deathrattle resolution, then attempts to move from your hand to your hand, sees that your hand is full and discards itself from your hand.[30][31]

(Shadow Madness ignoring the 7 minion limit - also fixed in 4.0.)

Fixed in Patch 4.2.

Fixed sometime between 5.0-7.0.

'Pending destroy' bugs and effects[]

100% fixed in Patch 5.0.

We know from Rule 5 that many minions, triggers and effects ignore mortally wounded Entities, or abort if their target is mortally wounded. However, all of these things have a bug in common, which is that they don't also check the pending destroy flag. This leads to a number of bugs and seeming inconsistencies, such as:

  • You play LegacyVaporize then LegacyFreezing Trap. Your opponent plays a LegacyStonetusk Boar and attacks into the traps. First Vaporize marks the Stonetusk Boar pending destroy, then Freezing Trap (which would NOT go off if the Stonetusk Boar was mortally wounded) triggers and returns the Stonetusk Boar back to his hand.[36] LegacyMisdirection also triggers after LegacyVaporize has gone off.[37]
  • Prior to Patch 3.2.0.10604 (2015-10-20), a pending destroy minion bounced to your hand, when re-played, would still be pending destroy and would die in the Death Creation Step following the On Play Phase, meaning that it would briefly emit Health/Attack Auras[38], trigger its Deathrattle, its Battlecry would resolve after it had already died[39], etc. The tag is now correctly cleared when you replay the minion, and the minion remains alive.[40]
  • A 3/3 Blackrock MountainGrim Patron attacks a 2/3 LegacyEmperor Cobra (or vice versa). Regardless of order of triggers, the damaged Grim Patron will spawn a new Grim Patron before the pending destroy effect kills the damaged Patron. The on damage trigger checks that Grim Patron is not mortally wounded; it ignores pending destroy.[41]
  • You play a LegacyStonetusk Boar, play LegacyBestial Wrath on it to make it Immune then attack into an enemy LegacyVaporize. While Immune ignores damage, it does not ignore pending destroy, and your Stonetusk Boar is destroyed and removed from play in spite of its immunity.[42] LegacyBig Game Hunter also works.[43]
  • Your Hero is LegacyLord Jaraxxus and you play LegacyIce Block. Your opponent plays LegacySacrificial Pact targeting your Hero. In spite of Ice Block preventing fatal damage, pending destroy is not counted as fatal damage, and you lose the game.[44]
  • You play Goblins vs GnomesBouncing Blade on a board with The Grand TournamentAcidmaw on it. Each time Bouncing Blade hits a minion, Acidmaw triggers and sets that minion 'pending destroy'. This does not end Bouncing Blade early, and it also does not prevent Bouncing Blade from hitting the 'pending destroy' minion again. Bouncing Blade will only end when it finally reduces a minion to 0 Health.[45]

(Internally the flag is a tag called TO_BE_DESTROYED)[46]

Exceptions:

Instant weapon destruction[]

Fixed because pending destroy grim patrons no longer summon new patrons.

  • You play a NaxxramasDeath's Bite and Blackrock MountainGrim Patron. Your opponent combos Goblins vs GnomesSabotage. Regardless of order of play, the Death's Bite goes off first, damaging the Grim Patron and summoning a new Grim Patron, and damaging other minions on the board but not killing them yet, then the originally targeted Grim Patron (which was marked pending destroy) and any other mortally wounded minions are killed in the Death Creation Step following the Spell Text Phase.[48]

Mid-Phase removal and triggers[]

(This was fixed in Patch 5.0.)

Rule MPR2: In addition, Deathrattles become immediately ineligible to trigger if the minion is not in the Play, Hand or Graveyard zone (such as due to Goblins vs GnomesMalorne's Deathrattle).

  • You play Goblins vs GnomesMalorne and cast LegacyAncestral Spirit and LegacySoul of the Forest on it. When it dies, Malorne's Deathrattle goes off first, shuffling it into your deck - and then the remaining spell-added Deathrattles are detached and no longer go off.[49][50] However, if NaxxramasBaron Rivendare is on the field, Malorne's Deathrattle goes off twice, presumably because it's checked in the code of the Deathrattle to go off again, rather than adding a second Deathrattle to the minion. (As of Patch 4.0.0.10833 (LoE patch), Malorne's Deathrattle shuffles the original Malorne into your deck, so resolving this twice has no additional effect.)[51]

Summon Resolution Step[]

Commanding Shout, Garrison Commander and Coldarra Drake stopped being SRS triggers in 5.0. They now seem to trigger in Aura Update (Health/Attack).

  • You play LegacyCommanding Shout, Blackrock MountainGrim Patron and Goblins vs GnomesBouncing Blade. Because the Summon Resolution Step is not run inside of a Phase, and Commanding Shout is a Summon Trigger, the newly summoned Grim Patrons do not have the Commanding Shout Enchantment and can be reduced to 0 Health by the Bouncing Blade.
  • Conversely, if you play LegacyCommanding Shout and attack with your Blackrock MountainGrim Patron into an enemy The Grand TournamentChillmaw, mortally wounding it, the newly summoned Grim Patron gains the Commanding Shout Enchantment before the subsequent Death Phase, and thus survives Chillmaw's Deathrattle.
  • Because LegacyCommanding Shout is a Summon Trigger, the effect persists if stolen from you (such as by LegacySylvanas Windrunner, is not granted on a minion you steal (such as by LegacyShadow Madness) and can be silenced off. It also effects minions transformed by Battlecry effects, but not minions transformed by Spell effects.
  • If you play LegacyCommanding Shout then a self-transforming minion (such as LegacyFaceless Manipulator) that will have 4 or less Health post-Transform, it will be mortally wounded by and die to LegacySnipe. This is because it will gain Commanding Shout's effect until the Battlecry Phase, when it transforms - and the post-transform minion won't have it until the Special Summon Resolution Step following the After Summon Phase, and the damage occurs during this window of vulnerability.[52]

Cobalt Guardian/Murloc Tidecaller Presummon Triggers[]

Murloc Tidecaller stopped triggering on its Mirror Entity copy sometime between Patch 5.0 and 7.0.

Goblins vs GnomesCobalt Guardian and LegacyMurloc Tidecaller, despite having the wording 'Whenever you summon a minion', do not participate in the "Summon Resolution Step". Rather, they trigger just before the minion is summoned and enters play.[53][54]

This has an interesting interaction with Copy effects such as LegacyMirror Entity. Since the trigger happened before the copy effect finished, the copy would have the stats too.

Rule PSR1: When a Goblins vs GnomesCobalt Guardian or LegacyMurloc Tidecaller is copied by the effect of LegacyMirror Entity, the Presummon Trigger goes off before the copy even begins, and when the copy happens, it copies the post-trigger state rather than the pre-trigger state.


Examples

  • Your opponent plays LegacyMirror Entity then you play a LegacyMurloc Tidecaller. The Mirror Entity goes off, but before a copy is made, the Murloc Tidecaller buffs itself, and the copy is of the post-buffed state.[55]

Additional notes:

Controllers of Enchantments and Minions[]

In Patch 5.0, Controllers of Enchantments no longer change when the minion they are attached to changes Controllers.

Rule CEM1: Enchantments have a CONTROLLER tag equal to the player who put them into play (such as with a Battlecry or Spell). This can be different from the CONTROLLER tag of the Entity (usually a Minion) they are attached to. Its current CONTROLLER value is used whenever an Enchantent needs to know one of the following things:
Rule CEM1b: Which player's Start of Turn Phase to trigger in (LegacyConceal, Goblins vs GnomesFinicky Cloakfield, LegacyCorruption, LegacyNightmare)
Rule CEM1c: Whether to queue in the Dominant Player's queue or the Secondary Player's queue (all Enchantments with triggers).
Rule CEM1d: Which player's battlefield to look for an LegacyAuchenai Soulpriest effect in (The Grand TournamentPower Word: Glory).
Rule CEM2: However, the Enchantment's CONTROLLER tag is NOT used for the following:
Rule CEM2a: Which player to heal/which player to draw a card for (LegacyBlessing of Wisdom, The Grand TournamentPower Word: Glory)
Rule CEM2b: For Enchantments that add Deathrattles, who gets the effect and whether to queue in the Dominant Player's queue or the Secondary Player's queue. For both of these things, the minion's CONTROLLER is always used instead. (LegacyAncestral Spirit, The League of ExplorersExplorer's Hat, LegacySoul of the Forest)
Rule CEM3: Whenever a minion changes CONTROLLERs, all attached Enchantments also have their CONTROLLER set to the minion's new CONTROLLER.


Examples:

  • If you cast LegacyNightmare on a minion, it will be destroyed during your next Start of Turn Phase. But if it is cast on a friendly minion and stolen from you, it will be destroyed during your opponent's next Start of Turn Phase.[61] A similar effect occurs with LegacyConceal.
  • If you cast LegacyBlessing of Wisdom on a minion, regardless of who originally controlled the minion and how many times it is stolen, it will always give you cards.[62] But if you cast The Grand TournamentPower Word: Glory on a minion, while it will always heal you, it will look on your side of the board for LegacyAuchenai Soulpriest effects - but if stolen, it will look on your opponent's side of the board for LegacyAuchenai Soulpriest effects, and so on.[63]
  • If the Secondary Player owns a NaxxramasWebspinner and the Dominant Player casts The League of ExplorersExplorer's Hat on it, regardless of whether it dies or Goblins vs GnomesFeign Death is casted, the Webspinner Deathrattle will resolve before the Explorer's Hat, because the Explorer's Hat uses the minion's controller, not its own controller, to decide what to do.[64]

References[]

  1. https://www.youtube.com/watch?v=tB49-hkJyL0&t=1m38s
  2. https://www.youtube.com/watch?v=bfngGGTZX6M Tested in Patch 3.1.0.10357 (2015-09-29)
  3. https://www.youtube.com/watch?v=owH0ds8BDdQ Tested in Patch 3.1.0.10357 (2015-09-29)
  4. http://tieba.baidu.com/p/4046733547 tested by willyk, only screenshots and logs there because i failed to upload videos. Tested in Patch 3.0.0.9786 (TGT patch)
  5. https://www.youtube.com/watch?v=WXBwhbZflNU
  6. https://www.youtube.com/watch?v=D1rYGPrPXqc
  7. https://www.youtube.com/watch?v=VQIbhC95Btw&t=4m50s Tested in Patch 4.1.0.10956 (2015-12-04)
  8. https://www.reddit.com/r/hearthstone/comments/42z4fz/psa_spellbender_in_the_new_brawl_doesnt_work_as/ Tested in Patch 4.1.0.10956 (2015-12-04)
  9. https://www.youtube.com/watch?v=2an9dBLK6g8
  10. https://www.youtube.com/watch?v=eVcQO3BlRe8&t=1m13s
  11. https://www.youtube.com/watch?v=1Q6byGuNYJU Tested in Patch 4.0.0.10833 (LoE patch)
  12. https://www.youtube.com/watch?v=uQOT9dDDLY8
  13. https://www.youtube.com/watch?v=wo0HJnY0T6w&t=4m22s
  14. http://ls.duowan.com/1507/300812448963.html Tested in Patch_2.7.0.9166 (Tavern Brawl patch)
  15. https://www.youtube.com/watch?v=iWftn94D1Sc&t=3m53s Tested in Patch_2.7.0.9166 (Tavern Brawl patch)
  16. https://www.youtube.com/watch?v=xr_y4AqPUbY
  17. http://www.reddit.com/r/hearthstone/comments/2y79lf/tested_voidcaller_sylvanas_Deathrattle_order_bug/
  18. https://www.youtube.com/watch?v=pV6ruUnry1U
  19. https://www.youtube.com/watch?v=S7SD77OcIco
  20. https://www.reddit.com/r/hearthstone/comments/3iiiov/varian_deathrattle_order_bug/ Tested in Patch 3.0.0.9786 (TGT patch)
  21. https://www.youtube.com/watch?v=zM_MSE2wxqM&t=1m06s (watch until the Twisting Nether and notice Sylvanas steals nothing despite 'order of play') Tested in Patch 3.0.0.9786 (TGT patch)
  22. https://www.youtube.com/watch?v=xr_y4AqPUbY
  23. https://www.youtube.com/watch?v=pV6ruUnry1U
  24. https://www.youtube.com/watch?v=S7SD77OcIco
  25. http://us.battle.net/hearthstone/en/forum/topic/18194073191 Tested in Patch_2.7.0.9166 (Tavern Brawl patch)
  26. https://www.youtube.com/watch?v=jIqPtOOyjQ4 Tested in Patch 3.1.0.10357 (Mech War Tavern Brawl patch)
  27. https://www.youtube.com/watch?v=PXYNNDmu-CA
  28. https://www.youtube.com/watch?v=qmrYFdsaVfQ
  29. https://www.youtube.com/watch?v=4Tn2CDxet6k Tested in Patch 3.1.0.10357 (Mech War Tavern Brawl patch)
  30. https://www.youtube.com/watch?v=twZrV3A3TBA Tested in Patch 3.1.0.10357 (Mech War Tavern Brawl patch)
  31. https://www.youtube.com/watch?v=8w4labPSEHk Tested in Patch 3.1.0.10357 (Mech War Tavern Brawl patch)
  32. https://www.youtube.com/watch?v=rc7oejbhdUA
  33. https://www.reddit.com/r/hearthstone/comments/3thw4f/brann_bronzebeard_interesting_interaction_glitch/ Tested in Patch 4.0.0.10833 (LoE patch)
  34. https://www.youtube.com/watch?v=neprWHi2D2M&t=5m05s Tested in Patch 4.0.0.10833 (LoE patch)
  35. https://www.youtube.com/watch?v=-bgd19XNyNE Tested in Patch 5.0.1.13030 (2016-06-01)
  36. https://www.youtube.com/watch?v=FqOwpzrE3ms
  37. http://us.battle.net/hearthstone/en/forum/topic/18194750322 Tested in Patch_2.7.0.9166 (Tavern Brawl patch)
  38. https://www.youtube.com/watch?v=oH4xSF9Rfgs
  39. https://www.youtube.com/watch?v=H1758zVywbg
  40. https://www.youtube.com/watch?v=c7J4-7kEDsg Patch 3.2.0.10604
  41. https://www.youtube.com/watch?v=Qf_E1oIj2BA
  42. https://www.youtube.com/watch?v=AWKWciwU3u0
  43. https://www.youtube.com/watch?v=Gudo33QI1Us&t=1m51s
  44. https://www.youtube.com/watch?v=itt2fgorCwY
  45. https://www.youtube.com/watch?v=SE6n-n8_7JU Tested in Patch 3.2.0.10604 (2015-10-20)
  46. http://pastebin.com/XRDy6y2D
  47. https://www.youtube.com/watch?v=c3io8LH_JxA Tested in Patch 3.0.0.9786 (TGT patch)
  48. https://www.youtube.com/watch?v=eoEEeCYg0j4 Tested in Patch_2.7.0.9166 (Tavern Brawl patch)
  49. https://www.youtube.com/watch?v=1EWXRJ0oh2Y&t=1m52s
  50. http://www.reddit.com/r/hearthstone/comments/2vfmms/soul_of_the_forest_bugged/
  51. https://github.com/HearthSim/hs-bugs/issues/56#issuecomment-162244907
  52. https://www.youtube.com/watch?v=QC8_jNOvdEs&t=12m54s Tested in Patch 3.0.0.9786 (TGT patch)
  53. https://www.youtube.com/watch?v=RfnKJq7MZqM
  54. https://www.youtube.com/watch?v=Wl6QyeeMEgs
  55. https://www.youtube.com/watch?v=Wl6QyeeMEgs
  56. https://www.youtube.com/watch?v=iqiIjdrUAXo
  57. http://us.battle.net/Hearthstone/en/forum/topic/17261257275
  58. https://www.youtube.com/watch?v=SrHVKYAyxig Tested in Patch 3.0.0.9786 (TGT patch)
  59. https://www.youtube.com/watch?v=hfoxyv5uLbw Tested in Patch 3.0.0.9786 (TGT patch)
  60. https://www.youtube.com/watch?v=Fh44iz3-PGs Tested in Patch 3.0.0.9786 (TGT patch)
  61. https://www.youtube.com/watch?v=TjTFRA-TiA4
  62. https://www.youtube.com/watch?v=ckU78-6Hr0c Tested in Patch 4.1.0.10956 (2015-12-04)
  63. https://www.youtube.com/watch?v=Rr3nfMnoCRk Tested in Patch 4.1.0.10956 (2015-12-04)
  64. https://www.youtube.com/watch?v=W52xmRRgvdU Tested in Patch 4.1.0.10956 (2015-12-04)
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