Karn, the Great Creator
Legendary Planeswalker - Karn
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 converted mana cost.
-2: You may choose an artifact card you own from outside the game or in exile, reveal that card, and put it into your hand.
Set: [WAR] War of the Spark ( R · #1 )