Deck
4 Aether Vial
4 Botanical Sanctum
2 Breeding Pool
4 Cavern of Souls
4 Cenote Scout
2 Dismember
1 Harbinger of the Tides
4 Island
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Mutavault
1 Otawara, Soaring City
2 Spell Pierce
3 Svyelun of Sea and Sky
4 Tide Shaper
4 Tishana's Tidebinder
4 Vodalian Hexcatcher
1 Waterlogged Grove

Sideboard
3 Chalice of the Void
3 Cursed Totem
3 Force of Negation
2 Spreading Seas
4 Subtlety