1 Arcane Signet
1 Barrin, Tolarian Archmage
1 Beacon of Tomorrows
1 Beacon of Unrest
1 Benthic Behemoth
1 Biblioplex Kraken
1 Breaching Leviathan
1 Brinelin, the Moon Kraken
1 Changeling Outcast
1 Coldsteel Heart
1 Colossal Whale
1 Commander's Sphere
1 Darksteel Ingot
1 Deathrender
1 Decanter of Endless Water
1 Deep-Sea Kraken
1 Deepchannel Mentor
1 Denizen of the Deep
1 Dimir Locket
1 Dimir Signet
1 Dowsing Dagger // Lost Vale
1 Emperor Mihail II
1 Explorer's Scope
1 Fallen Shinobi
1 Floodgate
1 Gilded Lotus
1 Gray Harbor Merfolk
1 Great Whale
1 Higure, the Still Wind
1 Horned Loch-Whale // Lagoon Breach
1 Hullbreacher
1 Ingenious Infiltrator
1 Inkfathom Infiltrator
1 Inkfathom Witch
1 Inkwell Leviathan
1 Kederekt Leviathan
1 Killer Whale
1 Kraken of the Straits
1 Krydle of Baldur's Gate
1 Lochmere Serpent
1 Lord of Atlantis
1 Lorthos, the Tidemaker
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merrow Harbinger
1 Mesmerizing Benthid
1 Mindleech Mass
1 Mist-Cloaked Herald
1 Monstrosity of the Lake
1 Nadir Kraken
1 Nanogene Conversion
1 Nemesis of Reason
1 Nevermaker
1 Omniscience
1 Phantom Ninja
1 Phase Dolphin
1 Prosperous Thief
1 Pursued Whale
1 Quest for Ula's Temple
1 Reef Shaman
1 Reservoir Kraken
1 River Sneak
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sakashima's Student
1 Saprazzan Heir
1 Satoru Umezawa
1 Scourge of Fleets
1 Scrapdiver Serpent
1 Sea Scryer
1 Sea-Dasher Octopus
1 Seafloor Oracle
1 Sensei's Divining Top
1 Serpent of Yawning Depths
1 Shipbreaker Kraken
1 Shrouded Serpent
1 Silent-Blade Oni
1 Silver-Fur Master
1 Slinn Voda, the Rising Deep
1 Snap
1 Sol Ring
1 Soothsaying
1 Spawning Kraken
1 Spotter Thopter
1 Star Whale
1 Stormtide Leviathan
1 Streambed Aquitects
1 Sword Coast Serpent // Capsizing Wave
1 Tempest Caller
1 Thassa, God of the Sea
1 Thassa's Oracle
1 The Watcher in the Water
1 Thought Vessel
1 Thousand-Faced Shadow
1 Thran Dynamo
1 Tidal Courier
1 Tidal Kraken
1 Tide Shaper
1 Triton Shorestalker
1 Tromokratis
1 Ukkima, Stalking Shadow
1 Vampiric Tutor
1 Vodalian Hexcatcher
1 Whelming Wave
1 Whispersilk Cloak
1 Wormhole Serpent
1 Wrexial, the Risen Deep
1 Yuriko, the Tiger's Shadow
Sideboard:
1 Alora, Merry Thief
1 Shadow of Mortality
1 Slither Blade
1 Suspicious Bookcase
1 Throatseeker
1 Tormented Soul