Nefarion, Shadowmancer

+2: Put two 2/2 Zombie creature tokens into play tapped, they have Devour 1
-4: Gain an Emblem that says " at the beginning of your end step put a 2/2 zombie creatures token into play tapped"
-7: Destroy 3 target creatures, put them into play under your control, except they are zombies in addition to their other types