Karn, the Great Creator [War of the Spark Prerelease Promos] Unlimited Edition Set: Ultimate Masters Box Topper

Set: Ultimate Masters Box Topper Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

you may search your library for a Rat card

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

one man's vengeance plunged the world into ice and darkness

Karn, the Great Creator [War of the Spark Prerelease Promos] Unlimited Edition Set: Ultimate Masters Box TopperSet: War of the Spark Prerelease Promos 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