1 Clockwork Hydra
1 Doubling Season
1 Evolution Vat
1 Experiment Kraj
1 Feral Hydra
1 Genesis Hydra
1 Gyre Sage
1 Heroes' Bane
1 Hooded Hydra
1 Hydra Broodmaster
1 Hydra Omnivore
1 Kalonian Hydra
1 Khalni Hydra
1 Kruphix, God of Horizons
1 Lifeblood Hydra
1 Lorescale Coatl
1 Managorger Hydra
1 Master Biomancer
1 Mistcutter Hydra
1 Momir Vig, Simic Visionary
1 Nessian Wilds Ravager
1 Oran-Rief Hydra
1 Phyrexian Hydra
1 Plasm Capture
1 Polukranos, World Eater
1 Primal Vigor
1 Prime Speaker Zegana
1 Primordial Hydra
1 Protean Hydra
1 Scourge of Skola Vale
1 Solidarity of Heroes
1 Ulvenwald Hydra
1 Vastwood Hydra
1 Vorel of the Hull Clade
Sideboard: