3 Halimar Depths
8 Island
4 Plains
4 Tranquil Cove
4 Wanderwine Hub
1 Aquitect's Will
4 Deprive
4 Drowner of Secrets
1 Fallowsage
4 Judge of Currents
3 Lullmage Mentor
1 Merrow Commerce
2 Merrow Harbinger
1 Negate
4 Spell Pierce
4 Stonybrook Banneret
4 Stonybrook Schoolmaster
3 Summon the School
1 Thassa's Rebuff
Sideboard:
3 Aquitect's Will
1 Harbinger of the Tides
4 Harpoon Sniper
4 Master of the Pearl Trident
1 Merfolk Sovereign
1 Negate
1 Sejiri Merfolk
4 Surgespanner
4 Veteran of the Depths