1 Aethersquall Ancient (KLD) 39
1 Arixmethes, Slumbering Isle (DSC) 211
1 Benthic Behemoth (7E) 63
1 Breaching Leviathan (C14) 12
1 Clinging Anemones (GTC) 31
1 Cryptic Serpent (AKH) 48
1 Deep-Sea Kraken (TSP) 56
1 Deep-Sea Terror (ORI) 52
1 Elder Deep-Fiend (EMN) 5
1 Esperzoa (CON) 25
1 Floodtide Serpent (BNG) 41
1 Frilled Sea Serpent (M20) 61
1 Gearseeker Serpent (DFT) 43
1 Giant Octopus (9ED) 4
1 Glowing Anemone (MM) 81
1 Godhunter Octopus (JOU) 39
1 Gomazoa (ZEN) 46
1 Grozoth (RAV) 53
1 Guard Gomazoa (ROE) 70
1 Harbor Serpent (M13) 53
1 Inkwell Leviathan (CON) 30
1 Isleback Spawn (SHM) 40
1 Jokulmorder (CSP) 37
1 Kederekt Leviathan (ALA) 48
1 Kraken Hatchling (M13) 58
1 Kraken of the Straits (BNG) 42
1 Kukemssa Serpent (MI) 72
1 Leviathan (TSB) 23
1 Lightning Serpent (CSP) 88
1 Lorthos, the Tidemaker (ZEN) 53
1 Man-o'-War (VI) 37
1 Marjhan (HM) 39
1 Nemesis of Reason (ARB) 28
1 Nimbus Swimmer (GTC) 181
1 Numbing Jellyfish (UST) 42
1 Pearl Lake Ancient (KTK) 49
1 Polar Kraken (IA) 89
1 Quest for Ula's Temple (WWK) 35
1 River Serpent (AKH) 66
1 Ronom Serpent (CSP) 45
1 Sandbar Serpent (UZ) 95
1 Scourge of Fleets (JOU) 51
1 Scrapdiver Serpent (SOM) 41
1 Sea Monster (10E) 106
1 Sea Serpent (5E) 118
1 Sealock Monster (THS) 62
1 Segovian Leviathan (6E) 97
1 Serpent of the Endless Sea (M10) 70
1 Shipbreaker Kraken (THS) 63
1 Shoal Serpent (ZEN) 65
1 Shrouded Serpent (PR) 47
1 Simic Sky Swallower (DIS) 130
1 Sky Swallower (GPT) 34
1 Slinking Serpent (IN) 274
1 Slinn Voda, the Rising Deep (DOM) 66
1 Slipstream Serpent (TSP) 77
1 Sliptide Serpent (NE) 43
1 Spire Serpent (MBS) 32
1 Steelclad Serpent (ALA) 59
1 Stormsurge Kraken (CMM) 122
1 Stormtide Leviathan (M15) 80
1 Striped Riverwinder (HOU) 48
1 Taniwha (MI) 95
1 Thing from the Deep (PLIST) 73
1 Tidal Kraken (9ED) 105
1 Tolarian Serpent (WL) 57
1 Trench Gorger (PLIST) 65
1 Tromokratis (BNG) 55
1 Vodalian Serpent (IN) 86
1 Whelming Wave (BNG) 57
1 Wrexial, the Risen Deep (NCC) 359