Nightmare King Grimm

+1: Sacrifice a creature: Grimm gains loyalty counters equal to that creature's power.
-X: Deal X damage to target creature. If that creature dies this turn, Grimm gains 2 loyalty counters.
-14: Create a 1/1 red Grimmchild token creature with flying. Put a +1/+1 counter on it for each creature card in graveyards.