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, through crafting, or as an Arena reward. Golden Arcane Dynamo can also be obtained through the Highest Rank Bonus chest at the end of each Ranked season.

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!
Showing all 3 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.
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
Showing all 9 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.
Showing all 4 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.
Blast Wave	Epic	Mage	5	Deal 2 damage to all minions. Overkill: Add a random Mage spell to your hand. If you’re burning and you know it, wave your hands!
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 7 cards

Paladin

Name / Desc	Rarity	Class	Cost	Description
Blessed Champion	Rare	Paladin	5	Double a minion's Attack. This card causes double the trouble AND double the fun.
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.
Shrink Ray	Rare	Paladin	5	Set the Attack and Health of all minions to 1. Actually works by enlarging the rest of the world.
Pharaoh's Blessing	Rare	Paladin	6	Give a minion +4/+4, Divine Shield, and Taunt. Life hack: Sneeze near a pharaoh.
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!
A New Challenger...	Epic	Paladin	7	Discover a 6-Cost minion. Summon it with Taunt and Divine Shield. … Arrives? Approaches? TELL US ALREADY!
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.
Showing all 10 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."
Mass Hysteria	Rare	Priest	5	Force each minion to attack another random minion. Black Friday gets worse every year.
Time Rip	Rare	Priest	5	Destroy a minion. Invoke Galakrond. "It's time. R.I.P."
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.
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.
Showing all 5 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.
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!"
Unidentified Contract	Epic	Rogue	6	Destroy a minion. Gains a bonus effect in your hand. The terms of service are constantly changing.
Myra's Unstable Element	Legendary	Rogue	5	Draw the rest of your deck. What could go wrong?
Showing all 5 cards

Shaman

Name / Desc	Rarity	Class	Cost	Description
Bloodlust	Free	Shaman	5	Give your minions +3 Attack this turn. blaarghghLLGHRHARAAHAHHH!!
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.
The Storm Bringer	Legendary	Shaman	6	Transform your minions into random Legendary minions. Finally, Electra can work from home.
Showing all 6 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!
Demonbolt	Common	Warlock	8	Destroy a minion. Costs (1) less for each minion you control. Or as it’s known in troll, “De bolt, mon.”
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.
Void Contract	Epic	Warlock	8	Destroy half of each player's deck. “YOU SIGNED WHAT?!”
Showing all 7 cards

Warrior

Name / Desc	Rarity	Class	Cost	Description
Plague of Wrath	Rare	Warrior	5	Destroy all damaged minions. "Thanks, I HATE it!"
Heavy Metal!	Rare	Warrior	6	Summon a random minion with Cost equal to your Armor (up to 10). This metal is so heavy it will satisfy your iron requirements for the next year.
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?
Deadly Arsenal	Epic	Warrior	6	Reveal a weapon from your deck. Deal its Attack to all minions. Oh look. A Gorehowl.
The Boomship	Legendary	Warrior	9	Summon 3 random minions from your hand. Give them Rush. Dr. Boom ends his motivational speeches by dropping the mechs.
Showing all 6 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.