Kiora Bests the Sea God

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) (I)— Create an 8/8 blue Kraken creature token with hexproof. (II)— Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step. (III)— Gain control of target permanent an opponent controls. Untap it.