Davros, Emperor Dalek

+2: Search your Library for up to two Mutants, reveal them place them into your hand, add a +1/+1 counter on each mutant under your control
-3: Destroy target creature, gain life or half Planeswalker counters equal to that creature's toughness
-18: Deal 10 dmg to each creature on the battlefield, gain life for all dmg done, all players discard their hand, you draw 7 cards