Main deck (60)
4 Aether Vial
3 Cavern of Souls
1 Disruptor of Currents
3 Flare of Denial
2 Force of Negation
1 Gemstone Caverns
3 Glasspool Mimic // Glasspool Shore
3 Harbinger of the Seas
2 Hydroelectric Specimen // Hydroelectric Laboratory
6 Island
3 Lord of Atlantis
4 Master of the Pearl Trident
2 Merfolk Trickster
3 Mindspring Merfolk
1 Otawara, Soaring City
3 Silvergill Adept
4 Sink into Stupor // Soporific Springs
3 Step Through
4 Tide Shaper
1 Umara Wizard // Umara Skyfalls
4 Vodalian Hexcatcher

Sideboard (15)
4 Chalice of the Void
2 Force of Negation
2 Gemstone Caverns
3 Mystical Dispute
4 Stern Scolding