Deck
4 Aether Vial
3 Cavern of Souls
3 Flare of Denial
2 Floodpits Drowner
2 Force of Negation
1 Glasspool Mimic // Glasspool Shore
4 Harbinger of the Seas
7 Island
4 Lord of Atlantis
4 Master of the Pearl Trident
1 Minamo, School at Water's Edge
2 Mindspring Merfolk
3 Mutavault
1 Otawara, Soaring City
3 Silvergill Adept
4 Sink into Stupor // Soporific Springs
2 Spreading Seas
1 Svyelun of Sea and Sky
4 Tide Shaper
4 Tishana's Tidebinder
1 Waterlogged Grove

Sideboard
3 Chalice of the Void
3 Consign to Memory
2 Dismember
1 Force of Negation
2 Stern Scolding
2 Subtlety
2 Surgical Extraction