Sorin, Hero of Stensia

Menace, Lifelink.When a creature dealt damage by Sorin dies, instead gain control of it, except it's a Vampire, and put a -1/-1 counter on it.
{1}{b}: Sorin fights target creature.
At the beginning of each end step, if you control 5 or more creatures you don't own, you may exile Sorin, and replace him with Sorin, Protector of Thraben.