Miliney, Returned Merfolk

When Miliney, Returned Merfolk enters the
battlefield return target Merfolk Zombie or
Mermaid from your graveyard to your hand
Unearth{2}{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.)