Yorick, Grave Digger

Whenever creature you control enters the battlefield from your graveyard, it gains lifelink
until the end of turn.
Creatures in your graveyard have pay 3 life, {2} Unearth. (Pay 3 life, {2}: Return the card to
the battlefield. The creature gains haste. Exile it
at the beginning of the next end step or if it
would leave the battlefield. Unearth only as a
sorcery.)