Each deck features its own special Commander (both oversized and regular-sized), plus 15 never-before-printed cards.
Description:

1 Ezuri, Claw of Progress

1 Experiment One
1 Elvish Visionary
1 Sakura-Tribe Elder
1 Plaxmanta
1 Coiling Oracle
1 Caller of the Claw
1 Loaming Shaman
1 Noble Quarry
1 Viridian Shaman
1 Eternal Witness
1 Ohran Viper
1 Lorescale Coatl
1 Trygon Predator
1 Cold-Eyed Selkie
1 Wistful Selkie
1 Solemn Simulacrum
1 Forgotten Ancient
1 Patagia Viper
1 Thelonite Hermit
1 Ninja of the Deep Hours
1 Chameleon Colossus
1 Mystic Snake
1 Stingerfling Spider
1 Mulldrifter
1 Arbor Colossus
1 Bane of Progress
1 Prime Speaker Zegana
1 Skullwinder
1 Kaseto, Orochi Archmage
1 Broodbirth Viper
1 Illusory Ambusher
1 Great Oak Guardian
1 Caller of the Pack

1 Rampant Growth
1 Kodama's Reach
1 Overrun
1 Desert Twister
1 Biomantic Mastery
1 Verdant Confluence
1 Ezuri's Predation

1 Rapid Hybridization
1 Krosan Grip
1 Snakeform
1 Cobra Trap
1 Arachnogenesis
1 Mirror Match
1 Synthetic Destiny

1 Sol Ring
1 Thought Vessel
1 Scytheclaw
1 Simic Signet
1 Swiftfoot Boots
1 Simic Keyrune
1 Sword of Vengeance
1 Bident of Thassa
1 Orochi Hatchery

1 Beastmaster Ascension
1 Day of the Dragons

1 Command Beacon
1 Command Tower
1 Evolving Wilds
1 High Market
1 Llanowar Reborn
1 Mosswort Bridge
1 Novijen, Heart of Progress
1 Oran-Rief, the Vastwood
1 Reliquary Tower
1 Simic Growth Chamber
1 Simic Guildgate
1 Terramorphic Expanse
1 Thornwood Falls
1 Vivid Creek
1 Vivid Grove
1 Zoetic Cavern
14 Forest
11 Island