3 Chart a Course
4 Deeproot Champion
2 Deeproot Waters
2 Dive Down
3 Kopala, Warden of Waves
4 Kumena's Speaker
2 Merfolk Branchwalker
4 Opt
4 River Heralds' Boon
4 River Sneak
4 Spell Pierce
1 Tempest Caller
4 Vineshaper Mystic
Sideboard:
1 Deeproot Waters
1 Navigator's Ruin
4 Shapers of Nature
1 Verdant Rebirth