Gelric, Rot Cleanser

+2: Creatures cannot be removed from graveyards until your next turn.
-1: Create a 2/2 white Human Knight creature token with Vigilance. Then put 2 +1/+1 counters divided between one or two creatures.
-7: Deal 2 damage to target creatures opponents control. If a creature is black, instead deal 4 damage. For each creature that dies, draw a card.