Leila Marcus, Vampire Hunter

Sacrifice three white creatures: Exile target
creature.
Whenever another black creature you control
dies, create a 1/1 white Spirit creature token
with flying.

"So I suggest we make a pact, since we're both in it
for the long haul: whoever dies first, the other one can
come and bring flowers to their grave. How's that?
—Leila speaking to D