1 Alchemist's Refuge
1 Blighted Woodland
1 Breeding Pool
1 Cavern of Souls
1 Command Tower
1 Flooded Grove
5 Forest
1 High Market
1 Hinterland Harbor
10 Island
1 Minamo, School at Water's Edge
1 Misty Rainforest
1 Mutavault
1 Nykthos, Shrine to Nyx
1 Path of Ancestry
1 Reliquary Tower
1 Scavenger Grounds
1 Simic Growth Chamber
1 Temple of the False God
1 Thespian's Stage
1 Tropical Island
1 Vesuva
1 Arctic Merfolk
1 Awakening
1 Blue Sun's Zenith
1 Capsize
1 Cosi's Trickster
1 Cursecatcher
1 Dakra Mystic
1 Darting Merfolk
1 Deeproot Elite
1 Delay
1 Dowsing Dagger // Lost Vale
1 Enclave Cryptologist
1 Expedition Map
1 Fallowsage
1 Flusterstorm
1 Force of Will
1 Forerunner of the Heralds
1 Grimoire Thief
1 Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
1 Herald's Horn
1 Intruder Alarm
1 Jungleborn Pioneer
1 Kiora's Follower
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Leech Bonder
1 Lightning Greaves
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Merfolk Branchwalker
1 Merfolk Looter
1 Merfolk Traders
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Mirror of the Forebears
1 Misdirection
1 Murkfiend Liege
1 Nature's Claim
1 Paradox Engine
1 Prime Speaker Zegana
1 Quest for Renewal
1 Reef Shaman
1 Regrowth
1 Rootwater Diver
1 Sage of Fables
1 Sea Scryer
1 Seafloor Oracle
1 Seahunter
1 Shapesharer
1 Silvergill Adept
1 Silvergill Douser
1 Snap
1 Sol Ring
1 Steely Resolve
1 Stonybrook Banneret
1 Sylvan Scrying
1 Sylvan Tutor
1 Thought Vessel
1 Thrasios, Triton Hero
1 Tidal Warrior
1 Tishana, Voice of Thunder
1 Vodalian Merchant
1 Waterfront Bouncer
1 Worldly Tutor
Sideboard:
1 Harvest Season
1 Merfolk Mistbinder
1 Scroll Thief
1 Swan Song