4 Aether Vial
4 Cavern of Souls
3 Dismember
3 Flare of Denial
4 Floodpits Drowner
1 Glasspool Mimic
4 Harbinger of the Seas
3 Hydroelectric Specimen
7 Island
2 Lord of Atlantis
4 Master of the Pearl Trident
1 Minamo, School at Water's Edge
4 Mindspring Merfolk
2 Otawara, Soaring City
4 Sink into Stupor
2 Stern Scolding
2 Svyelun of Sea and Sky
4 Tide Shaper
2 Tishana's Tidebinder
Sideboard
1 Stern Scolding
1 Tishana's Tidebinder
3 Chalice of the Void
3 Consign to Memory
3 Force of Negation
2 Spreading Seas
2 Vodalian Hexcatcher