Vidad, Corpse Corruptor

+1: Zombies you control get +2/+0 until the beginning of your next turn.
-3: Target Zombie you control gains "When this creature dies return it to the battlefield with a +1/+1 counter on it."
-7: You gain an emblem that says "Whenever a Zombie creature enters the battlefield under your control it enters with a +1/+1 counter on it."