1 Ancient Crab (AKH) 40
1 Benthic Behemoth (7E) 63
1 Breaking Wave (IN) 48
1 Chambered Nautilus (MM) 64
1 Chasm Skulker (M15) 46
1 Clinging Anemones (GTC) 31
1 Colossal Whale (M14) 48
1 Coral Barrier (M15) 49
1 Coral Eel (9ED) 3
1 Crush of Tentacles (OGW) 53
1 Dandân (CH) 18
1 Deep-Sea Kraken (TSP) 56
1 Encrust (M15) 53
1 Erosion (4E) 70
1 Fortress Crab (M20) 60
1 Giant Crab (TE) 66
1 Giant Octopus (9ED) 4
1 Giant Oyster (TSB) 22
1 Glowing Anemone (MM) 81
1 Great Whale (UZ) 77
1 Halimar Depths (WWK) 137
1 Hammerhead Shark (ST) 32
1 Harbor Serpent (M13) 53
1 High Tide (FE) 36
1 Homarid Spawning Bed (FE) 43
1 Horseshoe Crab (10E) 87
1 Ice Floe (5E) 424
1 Iceberg (IA) 73
34 Island (TLA) 283
1 Island Fish Jasconius (4E) 78
1 Killer Whale (EX) 37
1 Kraken Hatchling (M13) 58
1 Kraken of the Straits (BNG) 42
1 Lingering Mirage (UZ) 84
1 Lonely Sandbar (ONS) 320
1 Lorthos, the Tidemaker (ZEN) 53
1 Man-o'-War (VI) 37
1 Manta Ray (WL) 42
1 Marjhan (HM) 39
1 Narwhal (HM) 44
1 Phantasmal Terrain (IN) 65
1 Quest for Ula's Temple (WWK) 35
1 Reef Worm (MH3) 271
1 Sand Squid (MM) 96
1 Sandbar Serpent (UZ) 95
1 Saprazzan Cove (MM) 327
1 Scourge of Fleets (JOU) 51
1 Sea Monster (10E) 106
1 Sea Serpent (5E) 118
1 Sea's Claim (9ED) 97
1 Seafloor Debris (OD) 325
1 Sealock Monster (THS) 62
1 Segovian Leviathan (6E) 97
1 Shipbreaker Kraken (THS) 63
1 Sigiled Starfish (ORI) 73
1 Slinn Voda, the Rising Deep (DOM) 66
1 Spiny Starfish (AL) 53
1 Spreading Seas (ZEN) 70
1 Stormtide Leviathan (M15) 80
1 Submerge (PLIST) 48
1 Svyelunite Temple (6E) 329
1 Teferi's Isle (MI) 315
1 Tromokratis (BNG) 55
1 Walking Sponge (GU) 47
1 Wall of Kelp (HM) 50
1 Wash Out (IN) 87
1 Whelming Wave (BNG) 57