Deck
4 Aether Vial
1 Cavern of Souls
1 Fiery Islet
2 Force of Negation
3 Glasspool Mimic
2 Harbinger of the Tides
7 Island
4 Lord of Atlantis
4 Master of the Pearl Trident
2 Master of Waves
4 Merfolk Trickster
1 Minamo, School at Water's Edge
4 Mutavault
1 Oboro, Palace in the Clouds
2 Otawara, Soaring City
4 Silvergill Adept
1 Spell Pierce
2 Spreading Seas
2 Subtlety
4 Svyelun of Sea and Sky
4 Tide Shaper
1 Waterlogged Grove

Sideboard
1 Brazen Borrower
2 Chalice of the Void
3 Counterspell
1 Flusterstorm
1 Force of Negation
2 Hurkyl's Recall
3 Relic of Progenitus
1 Spell Pierce
1 Subtlety