12 Forest
11 Island
4 Benthic Biomancer
4 Evolution Sage
1 Forerunner of the Heralds
1 Hadana's Climb // Winged Temple of Orazca
2 Herald of Secret Streams
2 Jade Bearer
1 Kopala, Warden of Waves
4 Kumena's Speaker
1 Merfolk Branchwalker
3 Merfolk Skydiver
4 Metallic Mimic
4 Silvergill Adept
3 Spell Pierce
4 Vineshaper Mystic
1 Zegana, Utopian Speaker
Sideboard:
1 Aquatic Incursion
1 Augur of Bolas
4 Band Together
1 Combine Guildmage
1 Contentious Plan
4 Courage in Crisis
1 Deeproot Elite
1 Deeproot Waters
1 Harbinger of the Tides
1 Jace's Sentinel
1 Jadecraft Artisan
1 Jadelight Ranger
1 Jori En, Ruin Diver
1 Jungleborn Pioneer
1 Kumena, Tyrant of Orazca
1 Merfolk Mistbinder
1 Merfolk Trickster
1 Mist-Cloaked Herald
1 Noyan Dar, Roil Shaper
4 Pollenbright Druid
2 River Heralds' Boon
1 Riverwise Augur
2 Seafloor Oracle
1 Shapers of Nature
1 Spark Double
1 Swift Warden
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Tishana, Voice of Thunder
1 Vodalian Arcanist
2 Watertrap Weaver