Zomboss, Ruler Of Zombies

+2: Create 3 2/2 zombie tokens. Zombies you control gain +1/+1 and first strike until end of turn.
-4: Create a 2 brain tokens. (Sacrifice this token: Put 2 +1/+1 counters on zombies you control.)
-16: Zomboss, Ruler of Zombies, deals 50 to all creatures your opponents control. You gain life equal to the damage dealt this way.