1 Academy Ruins
1 Alchemist's Refuge
1 Blinkmoth Well
1 Cavern of Souls
1 Gaea's Cradle
1 Minamo, School at Water's Edge
1 Mutavault
1 Nykthos, Shrine to Nyx
1 Path of Ancestry
1 Reliquary Tower
1 Scavenger Grounds
1 Strip Mine
1 Yavimaya Hollow
1 Aquitect's Will
1 Beast Within
1 Benthic Biomancer
1 Chord of Calling
1 Cold-Eyed Selkie
1 Coralhelm Commander
1 Creeping Renaissance
1 Crop Rotation
1 Cursecatcher
1 Cyclonic Rift
1 Disallow
1 Eternal Witness
1 Force of Will
1 Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
1 Harbinger of the Tides
1 Herald of Secret Streams
1 Heroic Intervention
1 Inspiring Call
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lightning Greaves
1 Long-Term Plans
1 Lord of Atlantis
1 Lullmage Mentor
1 Mana Crypt
1 Mana Drain
1 Master of the Pearl Trident
1 Merchant Scroll
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Commerce
1 Merrow Reejerey
1 Mistcaller
1 Mystical Tutor
1 Opposition
1 Pact of Negation
1 Phantasmal Image
1 Rootwater Thief
1 Salvager of Secrets
1 Seafloor Oracle
1 Seahunter
1 Seedborn Muse
1 Shapers' Sanctuary
1 Sigil Tracer
1 Silvergill Adept
1 Sol Ring
1 Spreading Seas
1 Static Orb
1 Stonybrook Banneret
1 Surgespanner
1 Swan Song
1 Swift Warden
1 Sylvan Library
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Triumph of the Hordes
1 Wanderwine Prophets
1 Wilderness Reclamation
1 Winter Orb
1 Wistful Selkie
1 Worldly Tutor
1 Wrap in Vigor
Sideboard:
1 Adaptive Automaton
1 Aether Vial
1 Aluren
1 Ambassador Laquatus
1 Arctic Merfolk
1 Asceticism
1 Beastmaster Ascension
1 Bident of Thassa
1 Bribery
1 Cackling Counterpart
1 Coastal Piracy
1 Coat of Arms
1 Coral Fighters
1 Cryptolith Rite
1 Cultivate
1 Dakra Mystic
1 Darting Merfolk
1 Deepchannel Mentor
1 Deeproot Elite
1 Deeproot Waters
1 Distant Melody
1 Door of Destinies
1 Drowner of Secrets
1 Earthcraft
1 Empress Galina
1 Enclave Cryptologist
1 Fallowsage
1 Farseek
1 Forerunner of the Heralds
1 Grimoire Thief
1 Hadana's Climb // Winged Temple of Orazca
1 Hardened Scales
1 Harvest Season
1 Herald's Horn
1 Jadelight Ranger
1 Kindred Discovery
1 Kindred Summons
1 Kiora's Follower
1 Kodama's Reach
1 Leech Bonder
1 Leyline of Anticipation
1 Lifecrafter's Bestiary
1 Master of Waves
1 Merfolk Assassin
1 Merfolk Branchwalker
1 Merfolk Looter
1 Merfolk Thaumaturgist
1 Merfolk Traders
1 Merrow Harbinger
1 Metallic Mimic
1 Murkfiend Liege
1 Mystic Remora
1 Nature's Lore
1 Obelisk of Urd
1 Oblivion Stone
1 Overtaker
1 Plasm Capture
1 Pongify
1 Prime Speaker Zegana
1 Progenitor Mimic
1 Quest for Renewal
1 Quicksilver Fountain
1 Rampant Growth
1 Rapid Hybridization
1 Razorfin Abolisher
1 Reality Shift
1 Reef Shaman
1 Rhystic Study
1 Riptide Pilferer
1 Rite of Replication
1 Rootwater Shaman
1 Sage of Fables
1 Saltwater Stalwart
1 Saprazzan Heir
1 Scroll Thief
1 Seasinger
1 Selkie Hedge-Mage
1 Sensei's Divining Top
1 Sentinel of the Pearl Trident
1 Shapers of Nature
1 Silvergill Douser
1 Simic Fluxmage
1 Simic Signet
1 Slinn Voda, the Rising Deep
1 Song of Freyalise
1 Soul Foundry
1 Stoneforge Masterwork
1 Stonybrook Angler
1 Stormtide Leviathan
1 Tatyova, Benthic Druid
1 Teferi, Mage of Zhalfir
1 The Immortal Sun
1 Thought Vessel
1 Thrasios, Triton Hero
1 Three Visits
1 Tidal Warrior
1 Tidebinder Mage
1 Tideshaper Mystic
1 Tishana, Voice of Thunder
1 Training Grounds
1 Treachery
1 True-Name Nemesis
1 Urza's Incubator
1 Vanquisher's Banner
1 Vedalken Orrery
1 Vineshaper Mystic
1 Vodalian Illusionist
1 Vodalian Merchant
1 Voidslime
1 Vorel of the Hull Clade
1 Wake Thrasher
1 Waterfront Bouncer
1 Watertrap Weaver
1 Zegana, Utopian Speaker