Nosfescus Bloom, the Undying

Undying, Ward {3}

Master of necromancy - When non-undead creatures you control are sent to the graveyard, create a 1/1 zombie token.

Raise Greater Undead - {t}{b}{b}{b} Create a monstrous token zombie whos power and toughness is equal to the amount of unique creatures in your graveyard.