Oath of Kiora

When Oath of Kiora enters the battlefield
prevent all combat damage that would be dealt to planeswalkers you control until the beginning of
your next upkeep.
Whenever you activate a planeswalker loyalty
ability, create a 1/1 blue Tentacle creature token.
Sacrifice 8 Tentacles: Create an 8/8 blue Kraken creature token. Activate only if you control a planeswalker.
"For the sky and the sea, I will keep watch."