Karn, Living Legacy (Promo Pack) [Dominaria United Promos]Set: Dominaria United Promos Type: Legendary Planeswalker Karn Rarity: Mythic Cost: {4} +1: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") 1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order. 7: You get an emblem with "Tap an untapped