1 Lair of the Hydra
1 Ancient Hydra
1 Apex Devastator
1 Apocalypse Hydra
1 Aspect of Hydra
1 Balduvian Hydra
1 Bioessence Hydra
1 Bristling Hydra
1 Capricopian
1 Clockwork Hydra
1 Dehydration
1 Domesticated Hydra
1 Feral Hydra
1 Gargos, Vicious Watcher
1 Genesis Hydra
1 Grakmaw, Skyclave Ravager
1 Gyrus, Waker of Corpses
1 Heroes' Bane
1 Honored Hydra
1 Hooded Hydra
1 Hungering Hydra
1 Hydra Broodmaster
1 Hydra Omnivore
1 Hydra's Growth
1 Hydradoodle
1 Hydroid Krasis
1 Ironscale Hydra
1 Kalonian Hydra
1 Khalni Hydra
1 Lifeblood Hydra
1 Managorger Hydra
1 Mistcutter Hydra
1 Molten Hydra
1 Multi-Headed
1 Nessian Wilds Ravager
1 Neverwinter Hydra
1 Oran-Rief Hydra
1 Phyrexian Hydra
1 Phytohydra
1 Polukranos, Unchained
1 Polukranos, World Eater
1 Primordial Hydra
1 Protean Hydra
1 Rampant Rejuvenator
1 Ramunap Hydra
1 Rock Hydra
1 Savageborn Hydra
1 Scourge of Skola Vale
1 Spitting Hydra
1 Sprouting Phytohydra
1 Steelbane Hydra
1 Stumpsquall Hydra
1 Thunderous Snapper
1 Ulasht, the Hate Seed
1 Ulvenwald Hydra
1 Vastwood Hydra
1 Voracious Hydra
1 Whiptongue Hydra
1 Wildwood Scourge
1 Wren's Run Hydra
1 Zaxara, the Exemplary
Sideboard: