Gilfth, Titan of Rot's Ire

When Gilfth enters the battlefield, sacrifice it unless
it escaped.

Whenever Gilfth enters the battlefield or attacks,
mill 3 cards, then return a land card from your graveyard to your hand.

Escape—{b}{b}{g}{g}, Exile 5 other cards from you graveyard. (You may cast this card from your
graveyard for its escape cost.)