Ragnarok, Death Giver

+4: Create a 0/0 zombie army creature token with deathtouch and indestructible. Draw a card
-9: Until end of turn all creatures you control gain "If this creature would deal damage to a player, gain life equal to damage delt."
-X: Amass x. until end of turn, target creature you control gains "If this creature deals combat damage to a player, they lose the game.