Main deck (80)
1 Aether Spellbomb
4 Aether Vial
2 Cavern of Souls
1 Expedition Map
4 Force of Negation
4 Glasspool Mimic
4 Harbinger of the Tides
11 Island
1 Lord of Atlantis
4 Master of the Pearl Trident
4 Master of Waves
4 Merfolk Trickster
4 Merrow Reejerey
1 Minamo, School at Water's Edge
4 Mutavault
1 Oboro, Palace in the Clouds
2 Otawara, Soaring City
1 Relic of Progenitus
1 Shadowspear
4 Silvergill Adept
2 Spreading Seas
4 Subtlety
4 Svyelun of Sea and Sky
4 Tide Shaper
4 Urza's Saga

Sideboard (15)
3 Chalice of the Void
4 Counterspell
3 Kira, Great Glass-Spinner
1 Pithing Needle
1 Soul-Guide Lantern
2 Spreading Seas
1 Yorion, Sky Nomad