Scolos, Titan of Winter's Bite

When Scolos enters the battlefield, sacrifice it unless it escaped.
Whenever Scolos enters the battlefield or attacks, return target nonland permanent an opponent controls to it's owner's hand. Your opponents can't cast spells with the same name as that card until your next turn.
Escape—{w}{w}{u}{u}, Exile five other cards from your graveyard.