1 Ancient Hydra (NE) 76
1 Aspect of Hydra (BNG) 117
1 Balduvian Hydra (IA) 173
1 Clockwork Hydra (TSP) 253
1 Corpsejack Menace (RTR) 152
1 Door of Destinies (M14) 208
1 Doubling Season (FDN) 216
1 Kalonian Hydra (M14) 181
1 Mistcutter Hydra (THS) 162
1 Molten Hydra (GU) 85
1 Phyrexian Hydra (MBS) 85
1 Phytohydra (RVR) 210
1 Polukranos, World Eater (THS) 172
1 Primal Surge (AVR) 189
1 Primordial Hydra (SOC) 284
1 Protean Hydra (M11) 194
1 Rock Hydra (3E) 172
1 Savageborn Hydra (DGM) 100
1 Spitting Hydra (ST) 99
1 Vastwood Hydra (M14) 198
1 Zhur-Taa Ancient (DGM) 119