Surgespanner

Creature — Merfolk Wizard

Devastation Tide

Sorcery

Whelming Wave

Sorcery

Flood of Tears

Sorcery

Grip of the Roil

Instant

Yarok's Wavecrasher

Creature — Elemental

Surging Aether

Instant

Aether Tide

Sorcery

Surrakar Banisher

Creature — Surrakar

Octavia, Living Thesis

Legendary Creature — Elemental Octopus

Hullbreaker Horror

Creature — Kraken Horror

Denizen of the Deep

Creature — Serpent

Overwhelming Denial

Instant

Crashing Tide

Sorcery

Scourge of Fleets

Creature — Kraken

Upheaval

Sorcery

Swirling Torrent

Sorcery

Turbulent Dreams

Sorcery

Coastal Breach

Sorcery

Crush of Wurms

Sorcery

Fall of the Titans

Instant

Ultros, Obnoxious Octopus

Legendary Creature — Octopus

Sea God's Scorn

Sorcery

Cyclone Summoner

Creature — Giant Wizard

Cephalid Constable

Creature — Octopus Wizard

Worldpurge

Sorcery

Devastating Mastery

Sorcery

Trench Behemoth

Creature — Kraken

Fantastic Bounce

Sorcery

Octo Opus

Enchantment

Inundate

Sorcery