1 Breeding Pool
1 Cavern of Souls
1 Command Tower
1 Flooded Grove
10 Forest
1 Hinterland Harbor
14 Island
1 Misty Rainforest
1 Path of Ancestry
1 Rogue's Passage
1 Tropical Island
1 Unclaimed Territory
1 Yavimaya Coast
1 Aquatic Incursion
1 Aquitect's Will
1 Arcane Signet
1 Beast Within
1 Cold-Eyed Selkie
1 Coralhelm Commander
1 Cosi's Trickster
1 Cultivate
1 Cyclonic Rift
1 Deepchannel Mentor
1 Deeproot Elite
1 Deeproot Waters
1 Descendants' Path
1 Fallowsage
1 Forerunner of the Heralds
1 Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
1 Hadana's Climb // Winged Temple of Orazca
1 Harbinger of the Tides
1 Harvest Season
1 Herald of Secret Streams
1 Icon of Ancestry
1 Imprisoned in the Moon
1 Jungleborn Pioneer
1 Kindred Discovery
1 Kiora's Follower
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Branchwalker
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Levitator
1 Merrow Reejerey
1 Mist-Cloaked Herald
1 Path of Discovery
1 Prime Speaker Zegana
1 Retreat to Coralhelm
1 Rhystic Study
1 River Sneak
1 Seafloor Oracle
1 Seahunter
1 Silvergill Adept
1 Sol Ring
1 Song of the Dryads
1 Stonybrook Banneret
1 Streambed Aquitects
1 Surgespanner
1 Tatyova, Benthic Druid
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thassa's Oracle
1 Thrasios, Triton Hero
1 Tidal Courier
1 Tidal Warrior
1 Tishana, Voice of Thunder
1 True-Name Nemesis
1 Vanquisher's Banner
1 Wake Thrasher
1 Waterspout Weavers
1 Zegana, Utopian Speaker
Sideboard:
1 Adaptive Automaton
1 Benthic Biomancer
1 Bident of Thassa
1 Counterspell
1 Distant Melody
1 Empress Galina
1 Enclave Cryptologist
1 Jadelight Ranger
1 Kruphix, God of Horizons
1 Lullmage Mentor
1 Master of Waves
1 Merfolk Trickster
1 Metallic Mimic
1 Mistcaller
1 Murkfiend Liege
1 Seedborn Muse
1 Shapers of Nature
1 Swift Warden
1 Tempest Caller
1 Vorel of the Hull Clade
1 Wanderwine Prophets