1 Evolving Wilds
2 Forest
1 Hinterland Harbor
16 Island
1 Reliquary Tower
1 Survivors' Encampment
1 Temple of Mystery
1 Yavimaya Coast
1 Aetherize
2 Aquitect's Will
1 Arbiter of the Ideal
1 Bident of Thassa
1 Brainstorm
1 Cold-Eyed Selkie
1 Deeproot Waters
1 Dive Down
1 Essence Scatter
2 Favor of the Overbeing
1 Give // Take
1 Hidden Strings
1 Kiora, the Crashing Wave
2 Kiora's Follower
1 Kopala, Warden of Waves
1 Kruphix, God of Horizons
2 Master of the Pearl Trident
2 Master of Waves
1 Merfolk Sovereign
1 Merfolk Spy
1 Merrow Reejerey
1 Overbeing of Myth
1 Polymorphist's Jest
1 Prophet of Kruphix
1 Scroll Thief
1 Shapers of Nature
1 Stormtide Leviathan
1 Swan Song
1 Triton Tactics
1 Wake Thrasher
1 Waker of the Wilds
Sideboard:
1 Claustrophobia
1 Colossal Whale
1 Crypsis
1 Harbinger of the Tides
1 Merfolk Wayfinder
1 River Sneak
1 Scourge of Fleets
3 Streambed Aquitects
1 Tempest Caller
1 Thassa's Rebuff
1 Tidebinder Mage