1 Alchemist's Refuge
1 Barkchannel Pathway // Tidechannel Pathway
1 Flooded Grove
10 Forest
1 Hinterland Harbor
15 Island
1 Karn's Bastion
1 Novijen, Heart of Progress
1 Oran-Rief, the Vastwood
1 Rejuvenating Springs
1 Yavimaya, Cradle of Growth
1 Arcane Signet
1 Beast Within
1 Branching Evolution
1 Bred for the Hunt
1 Coat of Arms
1 Cold-Eyed Selkie
1 Cosi's Trickster
1 Court of Garenbrig
1 Deepchannel Mentor
1 Deeproot Champion
1 Deeproot Elite
1 Deeproot Pilgrimage
1 Deeproot Waters
1 Emperor Mihail II
1 Forerunner of the Heralds
1 Hadana's Climb // Winged Temple of Orazca
1 Hakbal of the Surging Soul
1 Harbinger of the Seas
1 Hardened Scales
1 Herald of Secret Streams
1 Heroic Intervention
1 Inspiring Call
1 Jade Bearer
1 Kiora's Follower
1 Kumena, Tyrant of Orazca
1 Library Larcenist
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Mistbinder
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Reejerey
1 Military Intelligence
1 Mindspring Merfolk
1 Mist Dancer
1 Mist-Cloaked Herald
1 Obscuring Haze
1 Patchwork Banner
1 Pongify
1 Quest for Renewal
1 Raise the Palisade
1 Rapid Hybridization
1 Return to Nature
1 Ripples of Potential
1 Sea Scryer
1 Seafloor Oracle
1 Simic Signet
1 Sol Ring
1 Stonybrook Banneret
1 Summoner's Pact
1 Svyelun of Sea and Sky
1 Sylvan Library
1 Talisman of Curiosity
1 Tatyova, Benthic Druid
1 Thieving Skydiver
1 Tidal Warrior
1 Tishana's Tidebinder
1 Tribute to the World Tree
1 Unstoppable Plan
1 Vineshaper Mystic
1 Vodalian Hexcatcher
1 Wave Goodbye
Sideboard:
1 Auroral Procession
1 Island
1 Lullmage Mentor
2 Mountain