1 Alchemist's Refuge
1 Breeding Pool
1 Cavern of Souls
12 Forest
1 Hinterland Harbor
16 Island
1 Rogue's Passage
1 Simic Growth Chamber
1 Temple of Mystery
1 Unclaimed Territory
1 Unknown Shores
1 Aetherize
1 Aethersnatch
1 Aetherspouts
1 Aquatic Incursion
1 Aquitect's Will
1 Bident of Thassa
1 Call to the Kindred
1 Cold-Eyed Selkie
1 Coralhelm Commander
1 Curse of the Swine
1 Curse of Verbosity
1 Dakra Mystic
1 Deepchannel Mentor
1 Deeproot Elite
1 Deeproot Waters
1 Dissipate
1 Distant Melody
1 Door of Destinies
1 Enclave Cryptologist
1 Faerie Trickery
1 Fated Infatuation
1 Forerunner of the Heralds
1 Hadana's Climb // Winged Temple of Orazca
1 Halimar Wavewatch
1 Harbinger of the Tides
1 Icon of Ancestry
1 Kiora, Master of the Depths
1 Kiora, the Crashing Wave
1 Kiora's Follower
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lightning Greaves
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Reejerey
1 Mistcaller
1 Prime Speaker Zegana
1 Rapid Hybridization
1 Riverwise Augur
1 Sage of Fables
1 Seafloor Oracle
1 Seahunter
1 Shapers of Nature
1 Sigil Tracer
1 Silvergill Adept
1 Sol Ring
1 Stonybrook Banneret
1 Surgespanner
1 Swan Song
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Thrasios, Triton Hero
1 Tishana, Voice of Thunder
1 Vanquisher's Banner
1 Wake Thrasher
1 Wanderwine Prophets
1 Waterspout Weavers
1 Zegana, Utopian Speaker
Sideboard:
1 Combine Guildmage
1 Herald of Secret Streams
1 Merfolk Trickster
1 Reflections of Littjara
1 Svyelun of Sea and Sky
1 Thada Adel, Acquisitor
1 Thieving Skydiver
1 Tide Shaper
1 Umara Wizard // Umara Skyfalls
1 Vineglimmer Snarl