Demonic Gravedigger

Whenever a creature enters the battlefield
from a graveyard or library, Demonic Gravedigger deals 2 damage to any target.
Unearth {b}{r} ({b}{r}: 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.)