1 Animar, Soul of Elements (CMD) 181
1 Apocalypse Hydra (BBD) 217
1 Avenger of Zendikar (TDC) 247
1 Bioshift (GTC) 214
1 Breeding Pool (EOE) 251
1 Coiling Oracle (DIS) 107
1 Command Tower (EOC) 59
1 Commander's Sphere (FIC) 339
1 Contagion Clasp (SOM) 144
1 Counterspell (FCA) 4
1 Cultivate (M21) 177
1 Death's Presence (RTR) 121
1 Deepglow Skate (EOC) 70
1 Doubling Season (FDN) 216
1 Farseek (FCA) 45
1 Fathom Mage (GTC) 162
10 Forest (TLA) 286
1 Forgotten Ancient (FIC) 304
1 Frontier Bivouac (TDM) 256
1 Genesis Hydra (M15) 176
1 Gilded Lotus (FDN) 725
1 Growing Rites of Itlimoc (LCI) 188
1 Gyre Sage (GTC) 123
1 Hardened Scales (KTK) 133
1 Hinterland Harbor (DOM) 240
1 Hungering Hydra (M19) 189
1 Hydroid Krasis (M3C) 266
1 Inexorable Tide (FIC) 265
5 Island (TLA) 283
1 Kalonian Hydra (BLC) 226
1 Kodama's Reach (CHK) 225
1 Lifeblood Hydra (CMM) 303
1 Mage Slayer (ARB) 57
1 Managorger Hydra (BLC) 230
1 Mistcutter Hydra (THS) 162
1 Misty Rainforest (ZEN) 220
1 Mountain (TLA) 285
1 Nissa, Vastwood Seer (ORI) 189
1 Nissa, Voice of Zendikar (OGW) 138
1 Oath of Nissa (OGW) 140
1 Oran-Rief Hydra (BFZ) 181
1 Oran-Rief, the Vastwood (BLC) 320
1 Pir, Imaginative Rascal (BBD) 11
1 Prime Speaker Zegana (FDN) 664
1 Primordial Hydra (M13) 183
1 Protean Hydra (M11) 194
1 Realm Seekers (J25) 705
1 Reflecting Pool (SHM) 278
1 Rogue's Passage (FDN) 264
1 Sakura-Tribe Elder (CHK) 239
1 Savage Beating (DST) 67
1 Savageborn Hydra (DGM) 100
1 Sol Ring (EOC) 57
1 Surrak Dragonclaw (KTK) 206
1 Temple of the False God (FIC) 438
1 Tezzeret's Gambit (NPH) 47
1 Thrummingbird (ONE) 288
1 Toothy, Imaginary Friend (BBD) 12
1 Vastwood Hydra (M14) 198
1 Vorel of the Hull Clade (DGM) 115
1 Windswept Heath (KTK) 248
1 Xenagos, God of Revels (BNG) 156
1 Xenagos, the Reveler (THS) 209

1 Bane of Progress (FIC) 299
1 Bring to Light (BFZ) 209
1 Clockwork Hydra (TSP) 253
1 Contagion Engine (SOM) 145
1 Domesticated Hydra (PLIST) 63
1 Feral Hydra (ALA) 131
1 Fuel for the Cause (MBS) 25
1 Fungal Behemoth (PLC) 128
1 Heroes' Bane (FDN) 639
1 Hooded Hydra (KTK) 136
1 Hydra Broodmaster (JOU) 128
1 Hydra Omnivore (DSC) 185
1 Karn Liberated (PLIST) 1
1 Nessian Wilds Ravager (BNG) 129
1 Nissa's Pilgrimage (ORI) 190
1 Oran-Rief Hydra (BFZ) 181
1 Phyrexian Hydra (MBS) 85
1 Phytohydra (RVR) 210
1 Polukranos, World Eater (THS) 172
1 Protean Hulk (DIS) 90
1 Scourge of Skola Vale (BNG) 137
1 Seedborn Muse (TDC) 268
1 Teferi, Mage of Zhalfir (PLIST) 75
1 Thran Dynamo (BLC) 290
1 Thrasios, Triton Hero (FCA) 58
1 Triumph of the Hordes (NPH) 123
1 Ugin, the Spirit Dragon (PF25) 6
1 Venser, Shaper Savant (FCA) 6
1 Viral Drake (PLIST) 49
1 Vorel of the Hull Clade (DGM) 115
1 Vorinclex, Voice of Hunger (SLD) 213
1 Whiptongue Hydra (NEC) 134