Julos, The Undying One

Deathtouch, Hexproof
{t}{x}: Exile X creatures from your graveyard and
create X 2/2 Black Zombie tokens
{x}{b}: Sacrifice Julos, The Undying One and give
all non-black creatures -X/-X
Yield to he who ventures into the realm of undeath, for
he holds knowledge too archaic for the fragile
mind of man.