1 Apocalypse Hydra
1 Benevolent Hydra
1 Clockwork Hydra
1 Gargos, Vicious Watcher
1 Genesis Hydra
1 Hungering Hydra
1 Hydra Omnivore
1 Hydroid Krasis
1 Ironscale Hydra
1 Kalonian Hydra
1 Managorger Hydra
1 Mossborn Hydra
1 Oran-Rief Hydra
1 Polukranos Reborn // Polukranos, Engine of Ruin
1 Polukranos, World Eater
1 Primordial Hydra
1 Progenitus
1 Savageborn Hydra
1 Steelbane Hydra
1 The Goose Mother
1 Ulvenwald Hydra
1 Unbound Flourishing
1 Warden of the Grove
1 Whiptongue Hydra
1 Wildwood Scourge
1 Zaxara, the Exemplary
Sideboard:
1 Bristly Bill, Spine Sower
1 Chishiro, the Shattered Blade
1 Reyhan, Last of the Abzan
1 The Swarmlord
1 Vorinclex, Monstrous Raider