1 Animist's Awakening (ORI) 169
1 Apex Devastator (M3C) 220
1 Benevolent Hydra (J22) 38
1 Branching Evolution (MH3) 285
1 Bred for the Hunt (DGM) 59
1 Castle Garenbrig (ELD) 240
1 Clockwork Hydra (TSP) 253
1 Corpsejack Menace (RTR) 152
1 Dimir Locket (GRN) 234
1 Dismal Backwater (TDM) 254
1 Elementalist's Palette (C21) 76
1 Eureka Moment (STX) 184
1 Evolving Wilds (TDM) 255
1 Exponential Growth (STX) 130
15 Forest (TLA) 286
1 Freed from the Real (SOK) 38
1 Galloping Lizrog (RNA) 175
1 Gargos, Vicious Watcher (M20) 172
1 Golgari Guildgate (FDN) 689
1 Grakmaw, Skyclave Ravager (ZNR) 223
1 Growth Spiral (RNA) 178
1 Guardian Project (RNA) 130
1 Gyre Engineer (RNA) 180
1 Gyre Sage (FIC) 306
1 Heroes' Bane (FDN) 639
1 Hinterland Harbor (DOM) 240
1 Hooded Hydra (KTK) 136
1 Hungering Hydra (M19) 189
1 Hydra Broodmaster (JOU) 128
1 Hydra's Growth (THB) 172
1 Hydroid Krasis (RNA) 183
1 Ironscale Hydra (THB) 296
6 Island (TLA) 283
1 Ivy Lane Denizen (GTC) 125
1 Kalonian Hydra (BLC) 226
1 Lifeblood Hydra (CMM) 303
1 Managorger Hydra (BLC) 230
1 Neverwinter Hydra (AFC) 41
1 Nexos (40K) 95
1 Nimbus Swimmer (GTC) 181
1 Ochre Jelly (AFR) 330
1 Oran-Rief Hydra (BFZ) 181
1 Primal Empathy (IKO) 200
1 Primordial Hydra (M13) 183
1 Protean Hydra (M11) 194
1 Quandrix Campus (STX) 271
1 Quandrix Command (STX) 217
1 Rampant Rejuvenator (FIC) 314
1 Reliquary Tower (M19) 254
1 Rogue's Passage (FDN) 264
1 Scourge of Skola Vale (BNG) 137
1 Simic Ascendancy (RNA) 207
1 Simic Cluestone (DGM) 145
1 Simic Guildgate (FDN) 695
1 Snow-Covered Island (KHM) 278
1 Sol Ring (EOC) 57
1 Sprouting Phytohydra (DIS) 95
1 Steelbane Hydra (ELD) 322
1 Stolen by the Fae (ELD) 66
7 Swamp (TLA) 284
1 Team Pennant (STX) 260
1 Tend the Pests (STX) 242
1 The Ozolith (IKO) 237
1 Thunderous Snapper (ELD) 215
1 Ulvenwald Hydra (SOI) 235
1 Unbound Flourishing (PLIST) 189
1 Urban Evolution (GTC) 204
1 Vastwood Hydra (M14) 198
1 Voracious Hydra (M20) 200
1 Vorel of the Hull Clade (DGM) 115
1 Vorrac Battlehorns (MRD) 271
1 Whiptongue Hydra (NEC) 134
1 Witherbloom Campus (STX) 275
1 Zaxara, the Exemplary (DMC) 176
1 Breeding Pool (EOE) 251