Drowned Host Skaab

Deathtouch
When Drowned Host Skaab or another zombie
enters the battlefield, you may pay {1} and
sacrifice a creature. If you do, create a tapped
2/2 black Zombie creature token.
Unearth {1}{u/b} ({1}{u/b}: Return this card from your
graveyard to the battlefield. It gains haste. Exile it at
the beginning of the next end step or if it would leave
the battlefield. Unearth only as a sorcery.)