1 Botanical Sanctum
1 Breeding Pool
1 Command Tower
1 Nykthos, Shrine to Nyx
1 Temple of Mystery
1 Yavimaya Coast
1 Aether Vial
1 Aquitect's Will
1 Arctic Merfolk
1 Bident of Thassa
1 Brainstorm
1 Cold-Eyed Selkie
1 Coralhelm Commander
1 Cosi's Trickster
1 Counterspell
1 Cyclonic Rift
1 Dakra Mystic
1 Deeproot Champion
1 Deeproot Waters
1 Door of Destinies
1 Empress Galina
1 Enclave Elite
1 Engulf the Shore
1 Ensnare
1 Fallowsage
1 Flow of Ideas
1 Foil
1 Gaea's Skyfolk
1 Gush
1 Harbinger of the Tides
1 Herald of Secret Streams
1 Inkfathom Divers
1 Jade Guardian
1 Kindred Discovery
1 Kiora's Follower
1 Kopala, Warden of Waves
1 Kumena's Speaker
1 Leyline of Anticipation
1 Lingering Mirage
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Merfolk Branchwalker
1 Merfolk Looter
1 Merfolk Skyscout
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Levitator
1 Merrow Reejerey
1 Obelisk of Urd
1 Paradox Engine
1 Ponder
1 Preordain
1 Quicksilver Fountain
1 Razorfin Abolisher
1 Reef Shaman
1 Rhystic Study
1 River Sneak
1 Rootwater Commando
1 Rootwater Mystic
1 Rootwater Thief
1 Sage of Fables
1 Scroll Thief
1 Sea's Claim
1 Search for Azcanta // Azcanta, the Sunken Ruin
1 Seasinger
1 Shapers of Nature
1 Silvergill Adept
1 Silvergill Douser
1 Simic Fluxmage
1 Sol Ring
1 Spreading Seas
1 Stonybrook Angler
1 Stonybrook Banneret
1 Streambed Aquitects
1 Submerge
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thrasios, Triton Hero
1 Tidal Warrior
1 Tideshaper Mystic
1 Tishana, Voice of Thunder
1 Triton Shorestalker
1 Vanquisher's Banner
1 Vineshaper Mystic
1 Wake Thrasher
1 Windrider Patrol
Sideboard:
1 Augur of Bolas
1 Coral Fighters
1 Deeptread Merrow
1 Grimoire Thief
1 Merfolk Observer
1 Rootwater Diver
1 Sigil Tracer
1 Umara Entangler