Vanessa, Queen of the Undead

Deathsight, deathtouch.
{1}{b}{t}; Sacrifice a creature; draw a card.
Whenever a non-token creature you control dies,
if Vanessa's graveborn cost was paid, you may
create a token copy of it, it's a black Zombie in
addition to its other colours and types.
Graveborn — {5}{b}{b}