4 Breeding Pool
4 Emergence Zone
6 Forest
4 Hinterland Harbor
4 Island
2 Benthic Biomancer
3 Essence Capture
2 Growth-Chamber Guardian
2 Hydroid Krasis
4 Incubation Druid
2 Merfolk Skydiver
3 Negate
4 Planewide Celebration
2 Pollenbright Druid
2 Pteramander
4 Simic Ascendancy
4 Ugin's Conjurant
2 Vivien, Champion of the Wilds
2 Wilderness Reclamation
Sideboard:
2 Aeromunculus
2 Awakening of Vitu-Ghazi
2 Herald of Secret Streams
1 Nissa, Who Shakes the World
2 Regenesis
2 Stony Strength
2 Thought Collapse
2 Wild Onslaught