1 Alchemist's Refuge
1 Breeding Pool
1 Cavern of Souls
1 Command Tower
1 Dreamroot Cascade
1 Flooded Grove
6 Forest
1 Hinterland Harbor
1 Horizon of Progress
7 Island
1 Karn's Bastion
1 Llanowar Reborn
1 Mosswort Bridge
1 Myriad Landscape
1 Novijen, Heart of Progress
1 Path of Ancestry
1 Reliquary Tower
1 Restless Vinestalk
1 Rogue's Passage
1 Secluded Courtyard
1 Temple of Mystery
1 Unclaimed Territory
1 Willowrush Verge
1 Yavimaya Coast
1 Aetherize
1 Arcane Signet
1 Beast Within
1 Benthic Biomancer
1 Branching Evolution
1 Bygone Marvels
1 Cold-Eyed Selkie
1 Cultivate
1 Curse of the Swine
1 Cyclonic Rift
1 Deepfathom Echo
1 Deeproot Elite
1 Deeproot Historian
1 Deeproot Pilgrimage
1 Deeproot Waters
1 Emperor Mihail II
1 Evolution Sage
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 Inspiring Call
1 Kindred Discovery
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Master of the Pearl Trident
1 Merfolk Cave-Diver
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merrow Reejerey
1 Metallic Mimic
1 Mist Dancer
1 Nicanzil, Current Conductor
1 Oko, the Trickster
1 Patchwork Banner
1 Prime Speaker Zegana
1 Quandrix Command
1 Rapid Hybridization
1 Ravenform
1 Realmwalker
1 Reflections of Littjara
1 Ripples of Potential
1 Ruinous Intrusion
1 Sage of Fables
1 Seafloor Oracle
1 Seasinger
1 Simic Ascendancy
1 Singer of Swift Rivers
1 Sol Ring
1 Stonybrook Banneret
1 Svyelun of Sea and Sky
1 Swiftfoot Boots
1 Tatyova, Benthic Druid
1 The Ozolith
1 Tishana, Voice of Thunder
1 Topography Tracker
1 Tributary Instructor
1 Vodalian Hexcatcher
1 Vorel of the Hull Clade
1 Wave Goodbye
1 Wildgrowth Walker
1 Zegana, Utopian Speaker
Sideboard:
1 Beast // Merfolk
1 Bird // Merfolk
1 Bird // Merfolk
2 Boar // Merfolk
2 Boar // Merfolk
2 Copy // Merfolk
1 Frog Lizard // Merfolk
1 Merfolk // Gnome
1 Merfolk // Map