Peice of the Abyss

Into the depths 5- You may play this card into the graveyard instead.
Shroud, Indestructible
You cannot sacrifice this card unless you use it's activated ability.
As long as this card is in the graveyard, you may play cards from there.
Whenever you cast a card from the graveyard, put this card in the battlefield.
{t},Pay 3 life: Sacrifice this card.