Coral Barrier

Creature — Wall

Wall of Kelp

Creature — Plant Wall

Wall of Water

Creature — Wall

Floodgate

Creature — Wall

Tidal Bore

Instant

Wave Elemental

Creature — Elemental

Kiora, the Crashing Wave

Legendary Planeswalker — Kiora

Living Tsunami

Creature — Elemental

Tidal Force

Creature — Elemental

Kiora, the Tide's Fury

Legendary Planeswalker — Kiora

Master of Waves

Creature — Merfolk Wizard

Tidewater Minion

Creature — Elemental Minion

Pestered Wellguard

Creature — Merfolk Soldier

Homarid Spawning Bed

Enchantment

Wall Off

Instant

Expendable Lackey

Creature — Human Citizen

Tidal Influence

Enchantment

Summoner's Bane

Instant

Talrand, Sky Summoner

Legendary Creature — Merfolk Wizard

Stinging Barrier

Creature — Wall

Tidal Warrior

Creature — Merfolk Warrior

Wall of Tears

Creature — Wall

Yarok's Wavecrasher

Creature — Elemental

Hydrosurge

Instant

Stroke of Midnight

Instant

Waker of Waves

Creature — Whale

High Tide

Instant

Shark Typhoon

Enchantment

Tideforce Elemental

Creature — Elemental

Riptide

Instant

Gleaming Barrier

Artifact Creature — Wall