Arcane Dynamo

Arcane Dynamo

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Gold

Set:	The Boomsday Project
Type:	Minion
Rarity:	Rare
Cost:	6
Attack:	3
Health:	4
Abilities:	Battlecry, Discover
Tags:	Cost-related, Spell-generating
Artist:	James Ryman

Battlecry: Discover a spell that costs (5) more.

We ran out of jars, so we started putting brains in other stuff.

See this card on Hearthpwn

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Arcane Dynamo is a rare neutral minion card, from The Boomsday Project set.

How to get

Arcane Dynamo can be obtained through The Boomsday Project card packs, or through crafting.

Card	Crafting cost	Disenchanting
Arcane Dynamo	100	20
Golden Arcane Dynamo	800	100

Strategy

While Arcane Dynamo has very low stats for its cost and single-card Discover effect, its utility comes from the precision with which it can Discover powerful Spells. 5 Mana or greater-costing spells aren't as common as cheaper Spells, meaning for certain classes such as Shaman, you have much greater chances of Discovering a game-changing Spell such as The Storm Bringer. Overall Hunter, Rogue, Shaman, Warlock and Warrior tend to have the fewest expensive Spells, making Arcane Dynamo more reliable with those classes; while it can still be used in Druid, Mage, Paladin and Priest decks, there are greater odds that specific cards you're hoping to Discover won't be among your three options.

Being an Even-costing card, Arcane Dynamo can be used in decks centered around Genn Greymane to obtain odd-costing Spells such as Brawl or Luna's Pocket Galaxy that you'd normally be incapable of including in your deck.

Spells that cost 5 or more Mana

For Wild format listings, see Arcane Dynamo/Wild format

This section lists spells that cost 5 or more mana in Standard, sorted by class.

Demon Hunter

Name / Desc	Rarity	Class	Cost	Description
Chaos Nova	Free	Demon Hunter	5	Deal 4 damage to all minions. Illin' Illidan laying down the damage, flinging out the chaos as far as he can manage.
Inner Demon	Free	Demon Hunter	8	Give your hero +8 Attack this turn. Critical component of any tragic backstory.
Command the Illidari	Common	Demon Hunter	5	Summon six 1/1 Illidari with Rush. Give me an R! Give me a U! Give me an S! Give me an H! You two, you’re exclamation points!
Fel Guardians	Common	Demon Hunter	7	Summon three 1/2 Demons with Taunt. Costs (1) less whenever a friendly minion dies. What happened after the guardians tripped? They Fel.
Skull of Gul'dan	Rare	Demon Hunter	6	Draw 3 cards. Outcast: Reduce their Cost by (3). A fellow of evil possessed, of most devious shadow. He hath turned on his kin a thousand times, and now, how abhorred in all imagination he is!
Cycle of Hatred	Rare	Demon Hunter	7	Deal 3 damage to all minions. Summon a 3/3 Spirit for every minion killed. If you run 2 of these, would that make it the bi-cycle of hatred?
Expendable Performers	Epic	Demon Hunter	7	Summon seven 1/1 Illidari with Rush. If they all die this turn, summon seven more. When someone gets injured, it's considered performance art.
Metamorphosis	Legendary	Demon Hunter	5	Swap your Hero Power to "Deal 4 damage." After 2 uses, swap it back. As the humble caterpillar becomes a beautiful butterfly, so too does a demon hunter become a hideous mass of writhing destruction and unfettered chaos.
Showing all 8 cards

Druid

Name / Desc	Rarity	Class	Cost	Description
Starfire	Free	Druid	6	Deal 5 damage. Draw a card. Balance is important to druids. This card is perfectly balanced.
Gift of the Wild	Common	Druid	8	Give your minions +2/+2 and Taunt. The gift that keeps on living.
Aeroponics	Rare	Druid	5	Draw 2 cards. Costs (2) less for each Treant you control. Good seeds can go far.
Starfall	Rare	Druid	5	Choose One - Deal 5 damage to a minion; or 2 damage to all enemy minions. Is the sky falling? Yes. Yes it is.
Hidden Oasis	Rare	Druid	6	Choose One - Summon a 6/6 Ancient with Taunt; or Restore 12 Health. Amazing that it's been hidden, given the twenty-foot treant splashing around in it.
Nourish	Rare	Druid	6	Choose One - Gain 2 Mana Crystals; or Draw 3 cards. Druids take nourishment from many things: the power of nature, the songbird's chirp, a chocolate cake.
Overflow	Rare	Druid	7	Restore 5 Health to all characters. Draw 5 cards. It's a high five followed by a low tide.
The Forest's Aid	Rare	Druid	8	Twinspell Summon five 2/2 Treants. Delicious Forest's Aid! Made from real forests.
Force of Nature	Epic	Druid	5	Summon three 2/2 Treants. "I think I'll just nap under these trees. Wait... AAAAAHHH!" - Blinkfizz, the Unfortunate Gnome
Glowfly Swarm	Epic	Druid	5	Summon a 2/2 Glowfly for each spell in your hand. Glowflies are distant relations to spelling bees.
Runic Carvings	Epic		6	Choose One - Summon four 2/2 Treant Totems; or Overload: (2) to summon them with Rush. "That totem was beautiful… and you runed it!"
Cenarion Ward	Epic	Druid	8	Gain 8 Armor. Summon a random 8-Cost minion. Don't ask about his right hand. He's still growing into it.
Guardian Animals	Epic		8	Summon two Beasts that cost (5) or less from your deck. Give them Rush. The guidelines specifically state: "Students may also bring an ironbeak owl OR an alleycat OR a toad." They never said how big.
Survival of the Fittest	Epic	Druid	10	Give +4/+4 to all minions in your hand, deck, and battlefield. Sometimes the fittest is the one smart enough to not start a fight with seven 6/6 Treants.
Showing all 14 cards

Hunter

Name / Desc	Rarity	Class	Cost	Description
Explosive Shot	Rare	Hunter	5	Deal 5 damage to a minion and 2 damage to adjacent ones. Pull the pin, count to 5, then shoot. Then duck.
Hunting Party	Rare	Hunter	5	Copy all Beasts in your hand. Not sure I'd call it a good party if everyone ends up beside themselves.
Swarm of Locusts	Rare	Hunter	6	Summon seven 1/1 Locusts with Rush. Good things never come in swarms.
Unleash the Beast	Rare	Hunter	6	Twinspell Summon a 5/5 Wyvern with Rush. The Kirin Tor has always been lax in enforcing leash laws.
Guardian Animals	Epic		8	Summon two Beasts that cost (5) or less from your deck. Give them Rush. The guidelines specifically state: "Students may also bring an ironbeak owl OR an alleycat OR a toad." They never said how big.
Jewel of N'Zoth	Epic	Hunter	8	Summon three friendly Deathrattle minions that died this game. This coveted gem calls for you to free it… and unleash an inescapable prison.
Nagrand Slam	Epic	Hunter	10	Summon four 3/5 Clefthoofs that attack random enemies. Come on and slam, and welcome to Nagrand!
Showing all 7 cards

Mage

Name / Desc	Rarity	Class	Cost	Description
Flamestrike	Free	Mage	7	Deal 4 damage to all enemy minions. When the ground is on fire, you should not stop, drop, and roll.
Blizzard	Rare	Mage	6	Deal 2 damage to all enemy minions and Freeze them. This spell can be very Entertaining.
Mask of C'Thun	Rare	Mage	7	Deal 10 damage randomly split among all enemies. Hide in the mask, but it will wear you. Through its gleaming eye, you shall see true.
Deep Freeze	Rare	Mage	8	Freeze an enemy. Summon two 3/6 Water Elementals. "Dancing with the Satyrs… on Ice!"
Grand Finale	Rare	Mage	8	Summon an 8/8 Elemental. Repeat for each Elemental you played last turn. Considering all the other hazards at Darkmoon, overindulgent pyrotechnics seem downright pedestrian.
Apexis Blast	Epic	Mage	5	Deal 5 damage. If your deck has no minions, summon a random 5-Cost minion. Lonely mages can still have a blast!
Rolling Fireball	Epic	Mage	5	Deal 8 damage to a minion. Any excess damage continues to the left or right. Why don't they ever run perpendicular?
Power of Creation	Epic	Mage	8	Discover a 6-Cost minion. Summon two copies of it. Mostly used for party tricks, to be honest.
Puzzle Box of Yogg-Saron	Epic	Mage	10	Cast 10 random spells (targets chosen randomly). "PUT THE BOX DOWN, RENO!"
Pyroblast	Epic	Mage	10	Deal 10 damage. Take the time for an evil laugh after you draw this card.
Showing all 10 cards

Paladin

Name / Desc	Rarity	Class	Cost	Description
Libram of Justice	Common	Paladin	5	Equip a 1/4 weapon. Change the Health of all enemy minions to 1. Proper justice. Throw the book at him!
Blessed Champion	Rare	Paladin	5	Double a minion's Attack. This card causes double the trouble AND double the fun.
Blessing of Authority	Rare	Paladin	5	Give a minion +8/+8. It can't attack heroes this turn. A paladin fights with honor! We don't go face... until next turn!
Holy Wrath	Rare	Paladin	5	Draw a card and deal damage equal to its cost. C'mon Molten Giant!!
Righteousness	Rare	Paladin	5	Give your minions Divine Shield. Shield yourself in righteousness! It feels like a warm fuzzy blanket.
Pharaoh's Blessing	Rare	Paladin	6	Give a minion +4/+4, Divine Shield, and Taunt. Life hack: Sneeze near a pharaoh.
Commencement	Rare		7	Summon a minion from your deck. Give it Taunt and Divine Shield. "Remember, graduates—you carry a heavy weight on your shoulders now."
Duel!	Epic	Paladin	5	Summon a minion from each player's deck. They fight! If you don't fight to the death, it's Duel Yielding.
Avenging Wrath	Epic	Paladin	6	Deal 8 damage randomly split among all enemies. Wham! Wham! Wham! Wham! Wham! Wham! Wham! Wham!
Lay on Hands	Epic	Paladin	8	Restore 8 Health. Draw 3 cards. A grammatically awkward life saver.
Tip the Scales	Epic	Paladin	8	Summon 7 Murlocs from your deck. Hold on, I need to get some murlocs to weigh in on this.
Libram of Hope	Epic	Paladin	9	Restore 8 Health. Summon an 8/8 Guardian with Taunt and Divine Shield. "Think you got lethal? Libram of NOPE!"
Showing all 12 cards

Priest

Name / Desc	Rarity	Class	Cost	Description
Mind Control	Free	Priest	10	Take control of an enemy minion. Nominated as "Spell Most Likely to Make Your Opponent Punch the Wall."
Psyche Split	Rare	Priest	5	Give a minion +1/+2. Summon a copy of it. This is how the arakkoa make friends.
Time Rip	Rare	Priest	5	Destroy a minion. Invoke Galakrond. "It's time. R.I.P."
Initiation	Rare	Priest	6	Deal 4 damage to a minion. If that kills it, summon a new copy. The things a murloc's gotta go through to graduate from Scholomance...
Mass Resurrection	Rare	Priest	9	Summon 3 friendly minions that died this game. One's company, two's a crowd, and three's a "mass" resurrection, apparently.
Idol of Y'Shaarj	Epic	Priest	8	Summon a 10/10 copy of a minion in your deck. Without a tongue, it speaks in seven. Without a voice, its echo lingers forever.
Plague of Death	Epic	Priest	9	Silence and destroy all minions. Don't worry, there's a happy little funhouse right under that sand pit.
Soul Mirror	Legendary	Priest	7	Summon copies of enemy minions. They attack their copies. It’s a doppelgang-war!
Showing all 8 cards

Rogue

Name / Desc	Rarity	Class	Cost	Description
Assassinate	Free	Rogue	5	Destroy an enemy minion. If you don't want to be assassinated, move to the Barrens and change your name. Good luck!
Sprint	Free	Rogue	7	Draw 4 cards. Rogues are not good joggers.
Cutting Class	Common		5	Draw 2 cards. Costs (1) less per Attack of your weapon. When you actually are the sharpest tool in the shed
Candle Breath	Common	Rogue	6	Draw 3 cards. Costs (3) less while you're holding a Dragon. "And Waxadred shall light their fires, with roaring breath hotter than pyres! Come before him, scamp and vandal, pledge your faith and lift your candle!"
Malevolent Strike	Epic	Rogue	5	Destroy a minion. Costs (1) less for each card in your deck that didn't start there. "I don't know how those got in there, but I'm blaming you two."
Unidentified Contract	Epic	Rogue	6	Destroy a minion. Gains a bonus effect in your hand. The terms of service are constantly changing.
Showing all 6 cards

Shaman

Name / Desc	Rarity	Class	Cost	Description
Bloodlust	Free	Shaman	5	Give your minions +3 Attack this turn. blaarghghLLGHRHARAAHAHHH!!
Tidal Wave	Common	Shaman	8	Lifesteal Deal 3 damage to all minions. "Hang Four, mon!"
Eye of the Storm	Common	Shaman	10	Summon three 5/6 Elementals with Taunt. Overload: (3) If that's the eye, I would hate to see the rest of the storm.
Hagatha's Scheme	Rare	Shaman	5	Deal 1 damage to all minion. (Upgrades each turn!) "All shall suffer!" "But Hagatha, those are your minions..." "I said ALL!!!"
Earthquake	Rare	Shaman	7	Deal 5 damage to all minions, then deal 2 damage to all minions. Shake it, sh-sh-sh-shake it like a Kalimdor fissure.
Dragon's Pack	Epic	Shaman	5	Summon two 2/3 Spirit Wolves with Taunt. If you've Invoked twice, give them +2/+2. Each dragon's pack is guaranteed to have at least one rare.
Runic Carvings	Epic		6	Choose One - Summon four 2/2 Treant Totems; or Overload: (2) to summon them with Rush. "That totem was beautiful… and you runed it!"
Showing all 7 cards

Warlock

Name / Desc	Rarity	Class	Cost	Description
Hand of Gul'dan	Common	Warlock	6	When you play or discard this, draw 3 cards. His skull also draws three cards. Imagine how many cards he could draw with HIS ENTIRE BODY!
Siphon Soul	Rare	Warlock	6	Destroy a minion. Restore 3 Health to your hero. You probably should avoid siphoning your own soul. You might create some kind of weird infinite loop.
Bane of Doom	Epic	Warlock	5	Deal 2 damage to a character. If that kills it, summon a random Demon. My advice to you is to avoid Doom, if possible.
Darkest Hour	Epic	Warlock	6	Destroy all friendly minions. For each one, summon a random minion from your deck. It's always darkest just before you find the light switch.
Twisting Nether	Epic	Warlock	8	Destroy all minions. The Twisting Nether is a formless place of magic and illusion and destroyed minions.
Deck of Chaos	Legendary	Warlock	6	Swap the Cost and Attack of all minions in your deck. Yeah, it's chaos, but it's organized chaos.
Showing all 6 cards

Warrior

Name / Desc	Rarity	Class	Cost	Description
Cutting Class	Common		5	Draw 2 cards. Costs (1) less per Attack of your weapon. When you actually are the sharpest tool in the shed
Plague of Wrath	Rare	Warrior	5	Destroy all damaged minions. "Thanks, I HATE it!"
Commencement	Rare		7	Summon a minion from your deck. Give it Taunt and Divine Shield. "Remember, graduates—you carry a heavy weight on your shoulders now."
Dimensional Ripper	Rare	Warrior	10	Summon 2 copies of a minion in your deck. The first dimensional ripper had a point. The second fell flat. The THIRD one really started to take shape!
Brawl	Epic	Warrior	5	Destroy all minions except one. (chosen randomly) Do you know the first rule of Brawl Club?
Showing all 5 cards

Quotes

Summon

The universe unravels!

Attack

I see all!

Gallery

Arcane Dynamo, full art

Patch changes

• Patch 12.0.0.25770 (2018-08-02): Added.