Discard effect

Discard effects are effects which cause the player to discard cards from their hand. Discarded cards are removed from the game, without activating Deathrattles. Discard effects are most commonly found on warlock cards.

Discard effects are distinguished from overdraw, and remove from deck effects, both of which remove cards directly from the deck without entering the hand; and from Tracking's "discard" effect, which in fact removes cards directly from a special display zone without entering the hand. While similar to discard effects, neither is considered a discard for game purposes, and will not activate related effects.

Notes

• Cards which are discarded through discard effects are revealed to the opponent, which can present a strategic disadvantage.

• Most discard effects discard cards randomly from the player's hand. As such, almost all discard effects add a substantial element of RNG and risk to the game. Deathwing and Cataclysm are notable exceptions, with results entirely (and woefully) predictable. Some of the cards from Rastakhan's Rumble discard a specific card instead.

• Discarded minions are not considered to have died, and therefore cannot be summoned by Resurrect.

• Effects that trigger from discards trigger only when discarded from the hand, not from the deck or when overdrawn.

• Technically, "discarding" a card refers to removing it from play while it is in the hand; for example, only cards discarded from the hand will activate related effects. Removing a card from play while it is in the Play Zone (the battlefield or weapon slot) results in it being destroyed, while removing it from play while it is in the deck requires overdraw or a remove from deck effect. Tracking's "discard" effect removes cards from play while in the Set Aside Zone (the zone used for Discover effects), and thus is not considered a discard.

Strategy

The negative repercussions of a discard effect can be removed entirely by not playing that card until your hand is otherwise empty. If this is not possible, they can be minimised by making sure your hand contains only cards you are willing to lose, such as by making sure to first play your most valuable cards.

Discard effects are mostly found on warlock cards, serving as an additional cost to playing a card at an otherwise unusually low price. This may allow the warlock to put out powerful minions at an early stage of the game, or deal strong damage on demand. While the card loss is undesirable, warlocks are able to easily compensate for this using Life Tap, especially in later rounds when mana is more plentiful. While the total cost of playing such a card is therefore in fact unusually high, the ability to delay paying that price until a later round can offer a strategic advantage.

The order in which discard effects are activated is of great importance. A warlock whose hand comprises two Doomguards and a Soulfire has two ways of playing their hand. Playing a Doomguard first will guarantee both other cards will be discarded, while playing the Soulfire first will guarantee that one Doomguard is retained. In most cases the player's hand will contain a variety of cards, making it impossible to entirely predict the outcome. However, the player can still control events to some degree by choosing which cards to play before the discard effect, ensuring that those cards will not be discarded.

When it is not possible to empty the hand of all important cards before playing a discard effect, warlocks can also choose to use Life Tap to add more cards to the hand, reducing the likelihood of a specific card from being discarded. For example, a warlock with a Soulfire and a Loatheb in their hand may use Life Tap to draw an Abusive Sergeant, in the hopes that playing the Soulfire will discard the latter card instead of the Loatheb. However, if an even more valuable card is instead drawn, the warlock may regret having used Life Tap before playing Soul Fire.

Starting with The Grand Tournament, warlock cards with discard synergy effects have been added, which aid in mitigating or removing the disadvantages of discarding cards. Fist of Jaraxxus and Silverware Golem are played when discarded and have more value if doing so, while Malchezaar's Imp and Clutchmother Zavas make the warlock's hand more powerful as cards are discarded. Discard effects are the focus of the Warlock quest, Lakkari Sacrifice.

Cards

Name / Desc	Rarity	Type	Subtype	Class	Cost	Atk	HP	Description
Soulfire	Free	Spell		Warlock	1			Deal 4 damage. Discard a random card. Are you lighting a soul on fire? Or burning someone with your OWN soul? This seems like an important distinction.
Felstalker	Free	Minion	Demon	Warlock	2	4	3	Battlecry: Discard a random card. This puppy chews up cards instead of shoes.
Reckless Diretroll	Common	Minion	General	Warlock	3	2	6	Taunt Battlecry: Discard your lowest Cost card. "Reck less!? ME WRECK MOAR!"
Shriek	Rare	Spell		Warlock	1			Discard your lowest Cost card. Deal 2 damage to all minions. The first warning sign of an oncoming warlock temper tantrum.
Expired Merchant	Rare	Minion	General	Warlock	2	2	1	Battlecry: Discard your highest Cost card. Deathrattle: Add 2 copies of it to your hand. The "best by" date is more like a guideline.
Book of Specters	Epic	Spell		Mage	2			Draw 3 cards. Discard any spells drawn. Known throughout the land as the Spooky-nomicon.
The Soularium	Legendary	Spell		Warlock	1			Draw 3 cards. At the end of your turn, discard them. Worst field trip ever.
Deathwing	Legendary	Minion	Dragon	Any	10	12	12	Battlecry: Destroy all other minions and discard your hand. Once a noble dragon known as Neltharion, Deathwing lost his mind and shattered Azeroth before finally being defeated. Daddy issues?
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Descent of Dragons

The below cards are planned for release with Descent of Dragons, coming December 10, 2019.

Name / Desc	Rarity	Type	Subtype	Class	Cost	Atk	HP	Description
Chaos Gazer	Epic	Minion	Demon	Warlock	3	4	3	Battlecry: Corrupt a playable card in your opponent's hand. They have 1 turn to play it! No matter the game rules, it's always playing Go Fish.
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Wild format

 This section contains information exclusive to Wild format.

Name / Desc	Rarity	Type	Subtype	Class	Cost	Atk	HP	Description
Howlfiend	Common	Minion	Demon	Warlock	3	3	6	Whenever this minion takes damage, discard a random card. The problem is that he carries those cards in his mouth.
Lakkari Felhound	Common	Minion	Demon	Warlock	4	3	8	Taunt Battlecry: Discard two random cards. Guaranteed to track tar all over your carpet.
Darkshire Librarian	Rare	Minion	General	Warlock	2	3	2	Battlecry: Discard a random card. Deathrattle: Draw a card. Do NOT be late with your overdue fines.
Doomguard	Rare	Minion	Demon	Warlock	5	5	7	Charge. Battlecry: Discard two random cards. Summoning a doomguard is risky. Someone is going to die.
Astral Communion	Epic	Spell		Druid	4			Gain 10 Mana Crystals. Discard your hand. Hey! Moon! Can I have some mana crystals?
Cataclysm	Epic	Spell		Warlock	4			Destroy all minions. Discard your hand. RUN FROM SKY CANDLES! THEY BURN! RUN!
Dark Bargain	Epic	Spell		Warlock	6			Destroy 2 random enemy minions. Discard 2 random cards. A prime example of lose-lose negotiating.
Furnacefire Colossus	Epic	Minion	General	Any	6	6	6	Battlecry: Discard all weapons from your hand and gain their stats. Smelts in his mouth, not in your hand.
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Related cards

All current discard-related effects activate only when discarding from the hand, and not removed from the deck or other zones.

Name / Desc	Rarity	Type	Subtype	Class	Cost	Atk	HP	Description
Soulwarden	Epic	Minion	General	Warlock	6	6	6	Battlecry: Add 3 random cards you discarded this game to your hand. Reduce, reuse, resoul.
High Priestess Jeklik	Legendary	Minion	General	Warlock	4	3	4	Taunt, Lifesteal When you discard this, add 2 copies of it to your hand. If you love Jeklik, set her free. YOU CAN'T GET RID OF HER.
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Wild format

 This section contains information exclusive to Wild format.

Name / Desc	Rarity	Type	Subtype	Class	Cost	Atk	HP	Description
Malchezaar's Imp	Common	Minion	Demon	Warlock	1	1	3	Whenever you discard a card, draw a card. Malchezaar used to have an imp named Dobby working for him, but there was a tragic accident.
Tiny Knight of Evil	Rare	Minion	Demon	Warlock	2	3	2	Whenever you discard a card, gain +1/+1. "No, no, no. I asked for a tiny JESTER of evil."
Silverware Golem	Rare	Minion	General	Warlock	3	3	3	If you discard this minion, summon it. From the secret research labs of the Swiss Army.
Fist of Jaraxxus	Rare	Spell		Warlock	4			When you play or discard this, deal 4 damage to a random enemy. * Not actually Jaraxxus' fist.
Cruel Dinomancer	Rare	Minion	General	Warlock	6	5	5	Deathrattle: Summon a random minion you discarded this game. As that old saying goes: "you don't get into dinomancing to make friends."
Lakkari Sacrifice	Legendary	Spell		Warlock	1			Quest: Discard 6 cards. Reward: Nether Portal. They asked, “And what must we give in return?” Gul’dan lowered his hood and answered: “Six… cards…”
Clutchmother Zavas	Legendary	Minion	Beast	Warlock	2	2	2	Whenever you discard this, give it +2/+2 and return it to your hand. A bit of a snob: still refuses to drive anything with automatic transmission.
Blood-Queen Lana'thel	Legendary	Minion	General	Warlock	5	1	6	Lifesteal Has +1 Attack for each card you've discarded this game. As a young blood-princess she learned the proper way for a lady to curtsy, how to address fellow members of royalty, and how to bite them.
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References

	Cards
By type	Hero card Minion Spell Weapon
By class	Druid Hunter Mage Paladin Priest Rogue Shaman Warlock Warrior
By minion type	All Beast Demon Dragon Elemental Mech Murloc Pirate Totem General
By ability	Adapt Auto-Attack Auto-cast Battlecry Can't attack Cast spell Casts When Drawn Charge Choose One Choose Twice Combo Copy Deal damage Deathrattle Destroy Discard Discover Divine Shield Draw cards Echo Elusive Enrage Equip Forgetful Freeze Gain Armor Generate Highlander Immune Inspire Invoke Joust Lifesteal Magnetic Mega-Windfury Modify cost Overkill Overload Passive Permanent Poisonous Put into battlefield Put into hand Quest Reborn Recruit Refresh Mana Remove from deck Replace Rush Restore Health Return to hand Secret Shrine Shuffle into deck Silence Sidequest Spell Damage Spend mana Start of Game Stealth Summon Taunt Take control Transform Twinspell Unlimited attacks Upgradable Windfury
By effect type	Area of effect In-deck effect In-hand effect On-discard effect On-draw effect Ongoing effect Positional effect Random effect Resurrection effect Triggered effect
By card set	Standard	Basic Classic The Witchwood The Boomsday Project Rastakhan's Rumble Rise of Shadows Saviors of Uldum Descent of Dragons Galakrond's Awakening
	Wild	Hall of Fame Naxxramas Goblins vs Gnomes Blackrock Mountain Grand Tournament The League of Explorers Whispers of the Old Gods One Night in Karazhan Mean Streets of Gadgetzan Journey to Un'Goro Knights of the Frozen Throne Kobolds & Catacombs
By rarity	Free Common Rare Epic Legendary