1 Academy Ruins
1 Castle Vantress
1 Command Beacon
1 Command Tower
1 Evolving Wilds
1 Exotic Orchard
1 Fabled Passage
1 Inventors' Fair
21 Island
1 Minamo, School at Water's Edge
1 Myriad Landscape
1 Mystic Sanctuary
1 Reliquary Tower
1 Rogue's Passage
1 Terramorphic Expanse
1 Aqueous Form
1 Arcane Denial
1 Artful Dodge
1 Blackblade Reforged
1 Callaphe, Beloved of the Sea
1 Charix, the Raging Isle
1 Chromeshell Crab
1 Cloak of Mists
1 Coastal Piracy
1 Counterspell
1 Crab Umbra
1 Crafty Pathmage
1 Deepchannel Mentor
1 Distortion Strike
1 Dreamscape Artist
1 Engulf the Shore
1 Ethereal Usher
1 Fireshrieker
1 Fishliver Oil
1 Flow of Ideas
1 Ghostform
1 High Tide
1 Imprisoned in the Moon
1 Kasmina, Enigmatic Mentor
1 Lightning Greaves
1 Midnight Clock
1 Minamo Sightbender
1 Mind Stone
1 Mu Yanling
1 Negate
1 Ominous Seas
1 Pongify
1 Protective Bubble
1 Rapid Hybridization
1 Reality Shift
1 Rhystic Study
1 Scourge of Fleets
1 Serpent of Yawning Depths
1 Skeleton Key
1 Skittering Crustacean
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Solemn Simulacrum
1 Soratami Mirror-Guard
1 Stormtide Leviathan
1 Strata Scythe
1 Swiftfoot Boots
1 Sword of the Animist
1 Tawnos's Wand
1 Tempest Djinn
1 Tetsuko Umezawa, Fugitive
1 Thassa, God of the Sea
1 Thassa's Emissary
1 Touch of Invisibility
1 Trailblazer's Boots
1 Tribute Mage
1 Tricks of the Trade
1 Trophy Mage
1 Twisted Image
1 Veil of Secrecy
1 Wayfarer's Bauble
1 Whelming Wave
1 Whispersilk Cloak
1 Wonder
1 Writ of Passage
Sideboard:
1 Ancient Crab
1 Armored Cancrix
1 Bident of Thassa
1 Brass Squire
1 Burnished Hart
1 Crookclaw Transmuter
1 Crystacean
1 Drownyard Behemoth
1 Fortress Crab
1 Hedron Crab
1 Hightide Hermit
1 Horseshoe Crab
1 Iceberg Cancrix
1 Jwari Scuttler
1 Merfolk Thaumaturgist
1 Purple-Crystal Crab
1 Skitter Eel
1 Trinket Mage
1 Walking Atlas
1 Wishcoin Crab