Strahd, Father of Vampires

Bloodthirst 4 (If an opponent was dealt damage this
turn, this creature enters the battlefield with four
+1/+1 counters on it.)
Flying
Whenever a creature dealt damage by strahd this
turn dies, exile it from its owners graveyard and
create a copy of it, except it's a 3/3 black
vampire in addition to it's other types.