Agrias, Titan of Grave's Dawn

When Agrias enters the battlefield, sacrifice it
unless it escaped.
Whenever Agrias enters the battlefield or
attacks, each opponent loses 1 life for each
creature card in your graveyard and you gain that
much life.
Escape—{w}{w}{b}{b}, Exile five other cards from
your graveyard. (You may cast this card from your graveyard for its escape cost.)