1 Battlegrowth (MRD) 113
1 Bioshift (GTC) 214
1 Burst of Strength (GTC) 115
1 Cached Defenses (FRF) 126
1 Curse of Predation (PLIST) 140
1 Death's Presence (RTR) 121
1 Decree of Savagery (SCG) 115
1 Earthen Arms (BFZ) 172
1 Feral Hydra (ALA) 131
1 Forced Adaptation (GTC) 120
1 Gavony Township (ISD) 239
1 Genesis Hydra (M15) 176
1 Hardened Scales (SOC) 272
1 Heroes' Bane (FDN) 639
1 Hindervines (GTC) 124
1 Hooded Hydra (KTK) 136
1 Hunger of the Howlpack (DKA) 119
1 Hunt the Weak (RIX) 133
1 Hydra Broodmaster (JOU) 128
1 Hydra Omnivore (DSC) 185
1 Increasing Savagery (DKA) 120
1 Incremental Growth (KTK) 138
1 Inspiring Call (FDN) 226
1 Kalonian Hydra (M14) 181
1 Lifeblood Hydra (SOC) 274
1 Managorger Hydra (BLC) 230
1 Mayael's Aria (ARB) 121
1 Mighty Emergence (ALA) 137
1 Mistcutter Hydra (THS) 162
1 Mutant's Prey (DGM) 45
1 Oran-Rief Hydra (BFZ) 181
1 Oran-Rief, the Vastwood (SOC) 391
1 Ordeal of Nylea (FDN) 641
1 Polukranos, World Eater (THS) 172
1 Predatory Hunger (EX) 117
1 Primal Vigor (PLIST) 162
1 Primordial Hydra (SOC) 284
1 Protean Hydra (M11) 194
1 Quest for the Gemblades (ZEN) 177
1 Retreat to Kazandu (BFZ) 186
1 Rite of Passage (5DN) 91
1 Savage Summoning (M14) 194
1 Scourge of Skola Vale (BNG) 137
1 Solidarity of Heroes (JOU) 141
1 Soul's Might (ALA) 149
1 Sprouting Phytohydra (DIS) 95
1 Strength of the Tajuru (WWK) 113
1 Titania's Boon (UZ) 276
1 Vastwood Hydra (M14) 198