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.