Vayn, the Silent Necromancer

Deathtouch
Sacrifice a creature: You may cast creatures from any graveyard until end of turn. Creatures cast in this way are black Zombie creatures in addition to their other colors and types, and have "At the beginning of its controller's upkeep, this creature gets a -1/-1 counter. If this creature would be put into a graveyard from anywhere, exile it."
"Death is never the end."