1 Apocalypse Hydra
1 Corpsejack Menace
1 Deepglow Skate
1 Gargos, Vicious Watcher
1 Genesis Hydra
1 Herald's Horn
1 Hooded Hydra
1 Hungering Hydra
1 Hydra Broodmaster
1 Hydra Omnivore
1 Hydra's Growth
1 Hydroid Krasis
1 Kalonian Hydra
1 Kruphix, God of Horizons
1 Lifeblood Hydra
1 Managorger Hydra
1 Mistcutter Hydra
1 Primordial Hydra
1 Progenitus
1 Protean Hydra
1 Ramos, Dragon Engine
1 Rosheen Meanderer
1 Savageborn Hydra
1 Selvala, Heart of the Wilds
1 Steelbane Hydra
1 The Ozolith
1 Unbound Flourishing
1 Urza's Incubator
1 Vastwood Hydra
1 Voracious Hydra
1 Vorel of the Hull Clade
1 Xenagos, God of Revels
1 Zaxara, the Exemplary
Sideboard: