1 Aethersquall Ancient (KLD) 39
1 Aquitect's Will (LRW) 52
1 Archaeomancer (M14) 43
1 Bident of Thassa (BLC) 162
1 Brainstorm (FCA) 28
1 Breaching Leviathan (C14) 12
1 Chasm Skulker (M15) 46
1 Claustrophobia (ORI) 50
1 Clinging Anemones (GTC) 31
1 Colossal Whale (M14) 48
1 Coral Atoll (VI) 160
1 Counterspell (FCA) 4
1 Deep-Sea Kraken (TSP) 56
1 Deepfathom Skulker (OGW) 43
1 Displacement Wave (ORI) 55
1 Dissipate (MID) 49
1 Encrust (M15) 53
1 Flow of Ideas (SHM) 38
1 Fog Bank (FDN) 591
1 Giant Oyster (TSB) 22
1 Guard Gomazoa (ROE) 70
1 Halimar Depths (WWK) 137
1 Ichthyomorphosis (THB) 51
1 Imprisoned in the Moon (FDN) 156
1 Index (M13) 55
1 Inkwell Leviathan (CON) 30
1 Inundate (EVE) 25
31 Island (ECL) 270
1 Jalira, Master Polymorphist (M15) 64
1 Kiora Bests the Sea God (THB) 52
1 Kiora's Dismissal (JOU) 44
1 Kraken Hatchling (M13) 58
1 Kraken of the Straits (BNG) 42
1 Lingering Mirage (UZ) 84
1 Lorthos, the Tidemaker (ZEN) 53
1 Man-o'-War (VI) 37
1 Merfolk Looter (M12) 65
1 Merfolk Wayfinder (ZEN) 56
1 Mystic Sanctuary (ELD) 247
1 Nadir Kraken (THB) 55
1 Omen (PLIST) 62
1 Polymorphist's Jest (M15) 75
1 Ponder (M12) 73
1 Portent (5E) 110
1 Preordain (TDC) 161
1 Quest for Ula's Temple (WWK) 35
1 Reef Worm (MH3) 271
1 Reliquary Tower (M19) 254
1 Rite of Replication (FDN) 711
1 Sapphire Medallion (MH3) 296
1 Scourge of Fleets (JOU) 51
1 Sigiled Starfish (ORI) 73
1 Slinn Voda, the Rising Deep (DOM) 66
1 Sol Ring (ECC) 58
1 Soul-Guide Lantern (FDN) 680
1 Spreading Seas (ZEN) 70
1 Stormsurge Kraken (CMM) 122
1 Stormtide Leviathan (M15) 80
1 Swiftfoot Boots (FDN) 258
1 Sword of the Animist (ORI) 240
1 Talrand, Sky Summoner (M13) 72
1 Terrain Generator (EOS) 43
1 Thada Adel, Acquisitor (WWK) 40
1 Thassa, Deep-Dwelling (THB) 261
1 Thassa's Emissary (THS) 68
1 Thassa's Rebuff (BNG) 54
1 Thought Sponge (C19) 12
1 Thought Vessel (FIC) 368
1 Whelming Wave (BNG) 57

1 Aetherize (FDN) 151
1 Alluring Siren (M12) 42
1 Annul (EOE) 394
1 Anticipate (IKO) 40
1 Archetype of Imagination (BNG) 32
1 Cackling Counterpart (ISD) 46
1 Cloaked Siren (JOU) 32
1 Commander's Sphere (ECC) 139
1 Dimir Signet (DRC) 129
1 Dissolve (THS) 47
1 Dulcet Sirens (C14) 14
1 Guard Gomazoa (ROE) 70
1 Hedron Crab (TDC) 155
1 Hypnotic Siren (JOU) 42
1 Iceberg (IA) 73
1 Master of the Pearl Trident (LCC) 162
1 Merfolk Thaumaturgist (PLC) 56
1 Metallurgic Summonings (KLD) 56
1 Renegade Map (AER) 173
1 Retraced Image (TOR) 46
1 Rogue's Passage (FDN) 264
1 Saheeli's Artistry (KLD) 62
1 Sea's Claim (9ED) 97
1 Serpent of the Endless Sea (M10) 70
1 Shipbreaker Kraken (THS) 63
1 Sygg, River Cutthroat (ZNC) 103
1 Thassa, God of the Sea (LCC) 176
1 Unsummon (FDN) 599