Kronos, Titan of Unending Time

When Kronos enters the battlefield, sacrifice it unless it escaped.
Whenever Kronos enters the battlefield or attacks, you pay 3 life and discard a card, then you may take control of target permanent, it is untapped and if it is a creature, it gains haste.
Escape -- {w}{w}{r}{r}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)