4 Benthic Biomancer
2 Force of Negation
2 Harbinger of the Tides
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Master of Waves
4 Merfolk Trickster
2 Merrow Reejerey
4 Silvergill Adept
1 Spell Pierce
4 Spreading Seas
1 Thassa, God of the Sea
4 Aether Vial
1 Minamo, School at Water's Edge
4 Mutavault
1 Oboro, Palace in the Clouds
1 Tectonic Edge
1 Waterlogged Grove
12 Island
Sideboard
3 Ceremonious Rejection
3 Deprive
2 Echoing Truth
2 Gut Shot
2 Grafdigger's Cage
3 Relic of Progenitus