1 Cavern of Souls
1 Command Tower
1 Flooded Strand
1 Glacial Fortress
1 Hallowed Fountain
1 Irrigated Farmland
5 Island
1 Mutavault
1 Mystic Gate
1 Nimbus Maze
3 Plains
1 Prairie Stream
1 Tundra
1 Aether Vial
1 Aquitect's Will
1 Cold-Eyed Selkie
1 Coralhelm Commander
1 Counterspell
1 Declaration of Naught
1 Harbinger of the Tides
1 Harpoon Sniper
1 Judge of Currents
1 Lord of Atlantis
1 Mana Drain
1 Mana Leak
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merfolk Spy
1 Merrow Commerce
1 Merrow Reejerey
1 Mirror Entity
1 Ponder
1 Portent
1 Propaganda
1 Reef Shaman
1 Seasinger
1 Silvergill Douser
1 Stonybrook Banneret
1 Stonybrook Schoolmaster
1 Swords to Plowshares
1 Sygg, River Guide
1 Triton Shorestalker
1 True-Name Nemesis
1 Wake Thrasher
Sideboard:
1 Thassa, God of the Sea