Karn, the Great Creator (Japanese Alternate Art) [War of the Spark] Colorless Set: Unlimited Edition Type: Instant

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {1}{W}{W} The next time a source of your choice would deal damage to you this turn

If that spell would be put into your graveyard this turn

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards

Karn, the Great Creator (Japanese Alternate Art) [War of the Spark] Colorless Set: Unlimited Edition Type: InstantSet: War of the Spark Type: Legendary Planeswalker Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand.