Main deck (60)
4 Aether Vial
4 Cavern of Souls
3 Force of Negation
3 Glasspool Mimic
2 Harbinger of the Tides
8 Island
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Merrow Reejerey
1 Minamo, School at Water's Edge
4 Mutavault
1 Otawara, Soaring City
2 Rishadan Dockhand
4 Svyelun of Sea and Sky
4 Tide Shaper
4 Vodalian Hexcatcher

Sideboard (15)
3 Chalice of the Void
4 Dismember
1 Force of Negation
2 Kira, Great Glass-Spinner
1 Steel Sabotage
1 Stern Scolding
3 Subtlety