Demonlord of Ashmouth
From Avacyn Restored set
Demonlord of Ashmouth
Creature — Demon
5/4
Flying
When this creature enters, exile it unless you sacrifice another creature.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
