Crystacean

Creature — Crab

Drownyard Behemoth

Creature — Eldrazi Crab

Bounding Krasis

Creature — Fish Lizard

Flash

Instant

Shambleshark

Creature — Shark Crab

Canyon Crab

Creature — Crab

Graveyard Shift

Sorcery

Undersea Invader

Creature — Giant Rogue

Serpent of the Pass

Creature — Serpent

Dragon Turtle

Creature — Dragon Turtle

Torrential Gearhulk

Artifact Creature — Construct

Crashing Tide

Sorcery

Crabomination

Creature — Crab Demon

Vexing Scuttler

Creature — Eldrazi Crab

Harbinger of the Tides

Creature — Merfolk Wizard

Saiba Syphoner

Creature — Human Ninja

Elder Deep-Fiend

Creature — Eldrazi Octopus

Cunning Nightbonder

Creature — Human Rogue

Cryptic Serpent

Creature — Serpent

Voracious Greatshark

Creature — Shark

A-Graveyard Shift

Sorcery

Breaching Hippocamp

Creature — Horse Fish

Swift Reckoning

Sorcery

Keeper of the Secret Lair

Legendary Creature — Merfolk Rogue

Daring Thunder-Thief

Creature — Turtle Rogue

Horseshoe Crab

Creature — Crab

Slitherwisp

Creature — Elemental Nightmare

Brineborn Cutthroat

Creature — Merfolk Pirate

Snapcaster Mage

Creature — Human Wizard

Skittering Cicada

Creature — Insect

Merfolk Trickster

Creature — Merfolk Wizard