The Walking Dude

+1: Flip a coin, on heads deal 2 damage to one creature. On tails, scry 2 and draw a card.
-3: Summon a copy of a creature from your graveyard. That creature is a 1/1 token, but identical in all other ways.
-10: Every creature in your hand and graveyard becomes a Nightmare. If The Crimson King is in your deck, reveal it, and put it in your hand