Kiora, the Tide's Fury is a mythic Legendary Planeswalker — Kiora card from Jumpstart: Historic Horizons (J21), collector number 10.
+1: Conjure a card named Kraken Hatchling into your hand. +1: Untap target creature or land. Prevent all damage that would be dealt to and dealt by that permanent until your next turn. −3: You may sacrifice a Kraken. If you do, create an 8/8 blue Kraken creature token.