1 Abundant Countryside
1 Breeding Pool
1 Command Tower
1 Dreamroot Cascade
1 Eclipsed Realms
1 Evolving Wilds
10 Forest
19 Island
1 Petrified Hamlet
1 Reflecting Pool
1 Terramorphic Expanse
1 Adrix and Nev, Twincasters
1 An Offer You Can't Refuse
1 Aquatic Incursion
1 Aquitect's Will
1 Arcane Denial
1 Arcane Signet
1 Champions of the Shoal
1 Commander's Sphere
1 Coralhelm Commander
1 Counterspell
1 Crashing Tide
1 Cultivate
1 Dawn-Blessed Pennant
1 Deepfathom Echo
1 Deeproot Elite
1 Deeproot Pilgrimage
1 Deeproot Waters
1 Emperor Mihail II
1 Explosive Vegetation
1 Farseek
1 Flare of Cultivation
1 Forerunner of the Heralds
1 Hakbal of the Surging Soul
1 Jadelight Spelunker
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lightning Greaves
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Migration Path
1 Mindspring Merfolk
1 Mist Dancer
1 Muddle the Mixture
1 Nicanzil, Current Conductor
1 Ooze Spill
1 Pongify
1 River Sneak
1 Sea Scryer
1 Seafloor Oracle
1 Seahunter
1 Sentinel of the Nameless City
1 Silvergill Adept
1 Silvergill Douser
1 Silvergill Mentor
1 Sol Ring
1 Stonybrook Banneret
1 Svyelun of Sea and Sky
1 Swiftfoot Boots
1 Tatyova, Benthic Druid
1 Three Visits
1 Tidal Courier
1 Tishana, Voice of Thunder
1 Topography Tracker
1 Vodalian Hexcatcher
1 Wanderwine Farewell
1 Wanderwine Prophets
1 World Shaper
Sideboard:
1 Streambed Aquitects