Yhsiuqs, the Immortal Fray

Flying, deathtouch, undying

Other Jellyfish you control have flying and deathtouch.

{w}{u}{b}{g}: Until the end of turn, if a creature would be destroyed, that creature's control may put that creature on top of their library instead.

"Nearly immortal, this creature creates the balance between we on Land and the horrors in sea."