1 Arcane Signet (ELD) 331
1 Benevolent Hydra (SOC) 124
1 Bioessence Hydra (WAR) 186
1 Breeding Pool (EOE) 251
1 Bristling Hydra (KLD) 147
1 Capricopian (C20) 58
1 Cavern of Souls (LCI) 269
1 Chronicle of Victory (ECL) 253
1 Clockwork Hydra (TSP) 253
1 Command Tower (ELD) 333
1 Door of Destinies (MSC) 198
1 Everflowing Chalice (WWK) 123
1 Feral Hydra (ALA) 131
18 Forest (HOB) 193
1 Gargos, Vicious Watcher (M20) 172
1 Goldvein Hydra (OTJ) 167
1 Heroes' Bane (FDN) 639
1 Hydroid Krasis (SOC) 315
1 Ironscale Hydra (PLIST) 296
18 Island (HOB) 190
1 Kalonian Hydra (M14) 181
1 Managorger Hydra (FDC) 216
1 Neverwinter Hydra (AFC) 41
1 Nyxborn Hydra (MH3) 164
1 Oko, Lorwyn Liege (ECL) 61
1 Oran-Rief Hydra (BFZ) 181
1 Polukranos, World Eater (THS) 172
1 Rampaging Aetherhood (DRC) 15
1 Scourge of Skola Vale (BNG) 137
1 Simic Signet (DIS) 166
1 Sol Ring (MSC) 212
1 Steelbane Hydra (SOC) 288
1 The Enigma Jewel (LCI) 55
1 The Goose Mother (WOE) 204
1 Urza's Incubator (MH3) 297
1 Whiptongue Hydra (FDC) 240
1 Zimone, Paradox Sculptor (FDN) 126