Arcane Dynamo

Arcane Dynamo

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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.

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
Stampeding Roar	Epic	Druid	6	Summon a random Beast from your hand and give it Rush. The Gurubashi Arena has an extremely permissive policy on pets in the workplace.
Showing all 10 cards

Hunter

Name / Desc	Rarity	Class	Cost	Description
Baited Arrow	Common	Hunter	5	Deal 3 damage. Overkill: Summon a 5/5 Devilsaur. The card is common, but the steak is rare.
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.
Flark's Boom-Zooka	Legendary	Hunter	7	Summon 3 minions from your deck. They attack enemy minions, then die. It used to be a Ba-zooka but we ran out of sheep.
Showing all 6 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.
Luna's Pocket Galaxy	Legendary	Mage	7	Change the Cost of minions in your deck to (1). Luna became head of the astronomy department when her boss invented the Pocket Black Hole.
Showing all 8 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.
Kangor's Endless Army	Legendary	Paladin	7	Resurrect 3 friendly Mechs. They keep any Magnetic upgrades. "That's three, Kangor. Three isn't endless." - Countess Ashmore
Showing all 11 cards

Priest

Name / Desc	Rarity	Class	Cost	Description
Holy Nova	Free	Priest	5	Deal 2 damage to all enemies. Restore 2 Health to all friendly characters. If the Holy Light forsakes you, good luck casting this spell. Also, you're probably a jerk.
Mind Control	Free	Priest	10	Take control of an enemy minion. Nominated as "Spell Most Likely to Make Your Opponent Punch the Wall."
Holy Water	Rare	Priest	5	Deal 4 damage to a minion. If that kills it, add a copy of it to your hand. For a healthier option, try Holy Water: Zero.
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."
Holy Fire	Rare	Priest	6	Deal 5 damage. Restore 5 Health to your hero. Often followed by Holy Smokes!
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.
Power Word: Replicate	Epic	Priest	5	Choose a friendly minion. Summon a 5/5 copy of it. Available as a bundle, along with Power Words: Detonate, Animate, Annihilate, and Paper Weight.
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.
Zerek's Cloning Gallery	Legendary	Priest	9	Summon a 1/1 copy of each minion in your deck. Cloning can be a jarring experience.
Showing all 10 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!"
Necrium Vial	Epic	Rogue	5	Trigger a friendly minion's Deathrattle twice. Two near-death experiences for the price of one!
Cannon Barrage	Epic	Rogue	6	Deal 3 damage to a random enemy. Repeat for each of your Pirates. Why fire your cannons strategically when you can fire them all at once?
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 7 cards

Shaman

Name / Desc	Rarity	Class	Cost	Description
Bloodlust	Free	Shaman	5	Give your minions +3 Attack this turn. blaarghghLLGHRHARAAHAHHH!!
Rain of Toads	Common	Shaman	6	Summon three 2/4 Toads with Taunt. Overload: (3) "Oh, THAT'S how she brings the warts!"
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!!!"
Eureka!	Rare	Shaman	6	Summon a copy of a random minion in your hand. Genius is 1% inspiration, and 99% drawing your Deathwing.
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 8 cards

Warlock

Name / Desc	Rarity	Class	Cost	Description
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.
Ectomancy	Epic	Warlock	6	Summon copies of all Demons you control. "Zerek! Stay out of my lab!"
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.