1 Breeding Pool
1 Command Tower
1 Flooded Grove
10 Forest
1 Hedge Maze
1 Hinterland Harbor
9 Island
1 Path of Ancestry
1 Scalding Tarn
1 Tropical Island
1 Tyrite Sanctum
1 Waterlogged Grove
1 Windswept Heath
1 Arcane Signet
1 Carnivorous Canopy
1 Case of the Locked Hothouse
1 Cenote Scout
1 Cold-Eyed Selkie
1 Counterspell
1 Curse of Predation
1 Cyclonic Rift
1 Danny Pink
1 Decisive Denial
1 Deepfathom Echo
1 Deeproot Elite
1 Deeproot Historian
1 Deeproot Pilgrimage
1 Deeproot Waters
1 Descendants' Path
1 Emperor Mihail II
1 Enduring Vitality
1 Explore
1 Gitaxian Probe
1 Gray Harbor Merfolk
1 Hakbal of the Surging Soul
1 Harbinger of the Seas
1 Herald's Horn
1 Invigorating Surge
1 Irenicus's Vile Duplication
1 Jadelight Spelunker
1 Kiora, the Rising Tide
1 Kopala, Warden of Waves
1 Merfolk Cave-Diver
1 Merfolk Mistbinder
1 Merfolk Trickster
1 Merrow Harbinger
1 Nature's Lore
1 Nicanzil, Current Conductor
1 Opt
1 Ozolith, the Shattered Spire
1 Raise the Palisade
1 Rampant Growth
1 Reality Shift
1 River Herald Guide
1 River Herald Scout
1 Roaring Earth
1 Seal of Removal
1 Seeker of Sunlight
1 Sentinel of the Nameless City
1 Shore Up
1 Simic Ascendancy
1 Simic Signet
1 Singer of Swift Rivers
1 Sink into Stupor // Soporific Springs
1 Six
1 Slip Out the Back
1 Snakeskin Veil
1 Snapback
1 Sol Ring
1 Spreading Seas
1 Svyelun of Sea and Sky
1 Swiftfoot Boots
1 Sylvan Safekeeper
1 Talisman of Curiosity
1 Tamiyo's Safekeeping
1 Tatyova, Benthic Druid
1 Telepathy
1 The Ozolith
1 Thirsting Roots
1 Tide Shaper
1 Tishana's Tidebinder
1 Triton Wavebreaker
1 Vodalian Illusionist
Sideboard:
1 Hardened Scales