Deck
4 Aether Vial
3 Cavern of Souls
3 Counterspell
2 Dismember
2 Glasspool Mimic
8 Island
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
1 Minamo, School at Water's Edge
3 Mutavault
2 Otawara, Soaring City
4 Subtlety
4 Svyelun of Sea and Sky
2 Sygg, River Cutthroat
4 Tide Shaper
4 Vodalian Hexcatcher
2 Waterlogged Grove

Sideboard
3 Chalice of the Void
1 Counterspell
2 Dismember
2 Force of Negation
2 Grafdigger's Cage
2 Kira, Great Glass-Spinner
1 Spell Pierce
2 Spreading Seas