1 Barkchannel Pathway // Tidechannel Pathway
1 Botanical Sanctum
1 Command Tower
1 Dreamroot Cascade
1 Flooded Grove
9 Forest
1 Hinterland Harbor
16 Island
1 Rejuvenating Springs
1 Vineglimmer Snarl
1 Yavimaya Coast
1 An Offer You Can't Refuse
1 Arcane Denial
1 Arcane Signet
1 Beast Within
1 Benthic Biomancer
1 Birds of Paradise
1 Counterspell
1 Cryptolith Rite
1 Cultivate
1 Cursecatcher
1 Deeproot Elite
1 Deeproot Waters
1 Descendants' Path
1 Emperor Mihail II
1 Fallowsage
1 Farseek
1 Forerunner of the Heralds
1 Green Sun's Zenith
1 Hardened Scales
1 Herald of Secret Streams
1 Herald's Horn
1 Inspiring Call
1 Intruder Alarm
1 Jungleborn Pioneer
1 Kindred Discovery
1 Kindred Summons
1 Kiora's Follower
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lord of Atlantis
1 Lullmage Mentor
1 Mana Leak
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Mistbinder
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Muddle the Mixture
1 Murkfiend Liege
1 Negate
1 Oko, Thief of Crowns
1 Pongify
1 Quest for Renewal
1 Rampant Growth
1 Reality Shift
1 Realmwalker
1 Sea Scryer
1 Seahunter
1 Seedborn Muse
1 Sensei's Divining Top
1 Silvergill Douser
1 Simic Ascendancy
1 Sol Ring
1 Song of Freyalise
1 Stonybrook Banneret
1 Surgespanner
1 Svyelun of Sea and Sky
1 Talisman of Curiosity
1 Thieving Skydiver
1 Tidal Warrior
1 Vodalian Hexcatcher
1 Wake Thrasher
1 Wash Away
Sideboard:
12 Arcane Denial
1 Benthic Biomancer
1 Broken Wings
2 Cold-Eyed Selkie
1 Deepchannel Mentor
1 Eternal Witness
1 Everflowing Chalice
2 Farseek
1 Fellwar Stone
1 Glasspool Mimic // Glasspool Shore
1 Gravity Well
1 Growth Spiral
1 Guardian Project
1 Harvest Season
1 Jadelight Ranger
1 Merfolk Branchwalker
1 Merfolk Skydiver
1 Merfolk Trickster
1 Mist-Cloaked Herald
2 Nature's Lore
1 Rapid Hybridization
12 Seafloor Oracle
1 Sensei's Divining Top
1 Sigil Tracer
1 Simic Signet
1 Sky Diamond
1 Tatyova, Benthic Druid
1 Teferi, Master of Time
1 Thassa's Rebuff
2 Thought Vessel
2 Three Visits
1 Throne of the God-Pharaoh
1 Wilderness Reclamation
1 Zegana, Utopian Speaker