Crius the Grave Turner

Crius costs 1 less to cast for each creature in your graveyard.
Sacrifice another creature: Mill 3 cards. You may
put a land card milled this way onto the
battlefield tapped.
{1}{b}{g}, Sacrifice a creature: Return another
creature from your graveyard to the battlefield.
Rebirth - {3}{w}{b}{g}, 5