4 Forest
3 Hinterland Harbor
17 Island
4 Aquitect's Will
2 Deep-Sea Kraken
3 Deeproot Elite
3 Hover Barrier
3 Kumena, Tyrant of Orazca
4 Master of the Pearl Trident
3 Merfolk Sovereign
2 Merrow Commerce
2 River Sneak
2 Seafloor Oracle
4 Stonybrook Banneret
2 Stormtide Leviathan
2 True-Name Nemesis
Sideboard:
1 Aquatic Incursion
1 Archers' Parapet
1 Augur of Bolas
1 Clinging Anemones
1 Cloak of Mists
1 Cold-Eyed Selkie
1 Coral Barrier
1 Coralhelm Guide
1 Deepchannel Mentor
1 Deeptread Merrow
1 Elusive Krasis
1 Enclave Elite
1 Fog Bank
1 Forerunner of the Heralds
1 Giltgrove Stalker
1 Glacial Wall
1 Guard Gomazoa
1 Halimar Wavewatch
1 Herald of Secret Streams
1 Jade Bearer
1 Jade Guardian
1 Kopala, Warden of Waves
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Spy
1 Merrow Harbinger
1 Mist-Cloaked Herald
1 Moat Piranhas
1 Monastery Flock
1 Rootwater Commando
1 Shapers of Nature
1 Stealth Mission
1 Storm Sculptor
1 Streambed Aquitects
1 Sylvan Caryatid
1 Taigam's Strike
1 Thallid Shell-Dweller
1 Tricks of the Trade
1 Triton Shorestalker
1 Vorel of the Hull Clade
1 Wall of Frost