1 Arcane Lighthouse
1 Botanical Sanctum
3 Breeding Pool
2 Forest
1 Halimar Depths
3 Hinterland Harbor
10 Island
1 Lumbering Falls
3 Aquitect's Will
1 Arcane Denial
1 Brainstorm
1 Counterspell
2 Cursecatcher
1 Deeproot Elite
1 Deeproot Waters
2 Growth Spiral
2 Harbinger of the Tides
2 Incubation // Incongruity
1 Kiora, Master of the Depths
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
2 Kumena's Speaker
1 Master of the Pearl Trident
2 Master of Waves
3 Merfolk Mistbinder
1 Merfolk Sovereign
2 Merfolk Trickster
1 Merrow Reejerey
4 Mist-Cloaked Herald
1 Ponder
2 Rapid Hybridization
1 River's Rebuke
2 Silvergill Adept
2 Streambed Aquitects
Sideboard:
1 Unsummon