Priestess of Myrrantha

{1}{u/b}{t}: discard a card; create a 2/2 black Zombie creature token. Use this ability only when
a creature you control is put into a graveyard
from anywhere.
{1}{u/b}{b}{t}; discard a card; gain control of target creature in any graveyard until end of turn, it
gains Haste and Fear until end of turn. Exile that
card at the end of the turn.