1 Alchemist's Refuge
1 Breeding Pool
1 Castle Garenbrig
1 Cavern of Souls
1 Command Tower
7 Forest
1 Hinterland Harbor
12 Island
1 Minamo, School at Water's Edge
1 Mystic Sanctuary
1 Novijen, Heart of Progress
1 Path of Ancestry
1 Reliquary Tower
1 Scavenger Grounds
1 Simic Growth Chamber
1 Temple of Mystery
1 Unclaimed Territory
1 Yavimaya Coast
1 Beast Whisperer
1 Beast Within
1 Beastmaster Ascension
1 Bident of Thassa
1 Chameleon Colossus
1 Cold-Eyed Selkie
1 Counterspell
1 Cryptic Command
1 Cultivate
1 Deeproot Elite
1 Deeproot Waters
1 Distant Melody
1 Earthcraft
1 Fallowsage
1 Farseek
1 Forerunner of the Heralds
1 Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
1 Hadana's Climb // Winged Temple of Orazca
1 Herald of Secret Streams
1 Herald's Horn
1 Heroic Intervention
1 Kindred Discovery
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lifecrafter's Bestiary
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Metallic Mimic
1 Murkfiend Liege
1 Mystic Confluence
1 Nature's Claim
1 Opposition
1 Overwhelming Stampede
1 Prime Speaker Zegana
1 Progenitor Mimic
1 Quest for Renewal
1 Reconnaissance Mission
1 Seafloor Oracle
1 Seahunter
1 Seedborn Muse
1 Shapers of Nature
1 Silvergill Adept
1 Simic Signet
1 Sol Ring
1 Stonybrook Banneret
1 Surgespanner
1 Swan Song
1 Sword of Light and Shadow
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thieving Skydiver
1 Thrasios, Triton Hero
1 Throne of the God-Pharaoh
1 Tishana, Voice of Thunder
1 Vanquisher's Banner
1 Zegana, Utopian Speaker
Sideboard:
1 Benthic Biomancer
1 Coralhelm Commander
1 Hullbreacher
1 Kiora, Master of the Depths
1 Merfolk Trickster
1 Rishkar, Peema Renegade
1 Riverwise Augur
1 Tidal Courier