Dorn, Titan of Time's Eternity

When Dorn enters the battlefield, sacrifice it
unless it escaped.
Whenever Dorn enters the battlefield or attacks,
tap two target creatures an opponent controls.
Those creatures don't untap during their
controller's next untap step.
Escape—{w}{w}{u}{u}, Exile five other cards from
your graveyard. (You may cast this card from your graveyard for its escape cost)