1 Ancient Ziggurat
1 Breeding Pool
1 Cavern of Souls
1 Command Tower
1 Fabled Passage
1 Flooded Grove
4 Forest
1 Hinterland Harbor
10 Island
1 Misty Rainforest
1 Otawara, Soaring City
1 Prismatic Vista
1 Rejuvenating Springs
1 Reliquary Tower
1 Rogue's Passage
1 Tropical Island
1 Unclaimed Territory
1 Waterlogged Grove
1 Winding Canyons
1 Yavimaya Hollow
1 Aquitect's Will
1 Arcane Denial
1 Bident of Thassa
1 Cold-Eyed Selkie
1 Counterspell
1 Daze
1 Deeproot Elite
1 Deeproot Waters
1 Distant Melody
1 Forerunner of the Heralds
1 Genesis Wave
1 Gilded Lotus
1 Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
1 Hadana's Climb // Winged Temple of Orazca
1 Harbinger of the Tides
1 Herald of Secret Streams
1 Herald's Horn
1 Heroic Intervention
1 High Tide
1 Jungleborn Pioneer
1 Kiora's Follower
1 Koma, Cosmos Serpent
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Assassin
1 Merfolk Looter
1 Merfolk Mistbinder
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Reejerey
1 Merseine
1 Mist-Cloaked Herald
1 Narset's Reversal
1 Prime Speaker Zegana
1 Reef Shaman
1 River Sneak
1 Riverwise Augur
1 Seafloor Oracle
1 Shamanic Revelation
1 Shaper Apprentice
1 Silvergill Adept
1 Skullclamp
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Streambed Aquitects
1 Swift Warden
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Thieving Skydiver
1 Thrasios, Triton Hero
1 Tidal Courier
1 Tidebinder Mage
1 Triumph of the Hordes
1 True-Name Nemesis
1 Vanquisher's Banner
1 Vineshaper Mystic
1 Vodalian Hexcatcher
1 Voidslime
1 Wake Thrasher
1 War Barge
1 Wind Strider
1 Zendikar Resurgent
Sideboard:
1 Cyclonic Rift
1 Kumena, Tyrant of Orazca
1 Rhystic Study
1 Tishana, Voice of Thunder