20 Forest
1 Lair of the Hydra
5 Mountain
1 Accelerated Mutation
1 Ancient Hydra
1 Apex Devastator
1 Apocalypse Hydra
1 Arcane Signet
1 Aspect of Hydra
1 Balduvian Hydra
1 Boon of Boseiju
1 Bristling Hydra
1 Capricopian
1 Chromatic Lantern
1 Clockwork Hydra
1 Commander's Sphere
1 Domesticated Hydra
1 Dryad of the Ilysian Grove
1 Extraplanar Lens
1 Fellwar Stone
1 Feral Hydra
1 Fertilid
1 Gargos, Vicious Watcher
1 Genesis Hydra
1 Gilded Lotus
1 Gruul Cluestone
1 Gruul Signet
1 Heroes' Bane
1 Honored Hydra
1 Hooded Hydra
1 Hungering Hydra
1 Hydra Broodmaster
1 Hydra Omnivore
1 Hydra's Growth
1 Infernal Plunge
1 Ironscale Hydra
1 Kalonian Hydra
1 Karametra's Acolyte
1 Khalni Hydra
1 Lifeblood Hydra
1 Llanowar Elves
1 Lotus Cobra
1 Managorger Hydra
1 Mistcutter Hydra
1 Molten Hydra
1 Nessian Wilds Ravager
1 Neverwinter Hydra
1 Oran-Rief Hydra
1 Phyrexian Hydra
1 Polukranos, World Eater
1 Primordial Hydra
1 Protean Hydra
1 Pyretic Ritual
1 Rampant Growth
1 Rampant Rejuvenator
1 Ramunap Hydra
1 Rock Hydra
1 Savageborn Hydra
1 Scourge of Skola Vale
1 Seething Song
1 Sol Ring
1 Spitting Hydra
1 Sprouting Phytohydra
1 Steelbane Hydra
1 Stumpsquall Hydra
1 Sword of the Animist
1 Talisman of Impulse
1 Tuya Bearclaw
1 Ulvenwald Hydra
1 Utopia Sprawl
1 Vastwood Hydra
1 Viridian Lorebearers
1 Voracious Hydra
1 Whiptongue Hydra
1 Wildwood Scourge
1 Wreath of Geists
1 Wren's Run Hydra
Sideboard: