1 Castle Vantress
2 Cavern of Souls
7 Island
1 Minamo, School at Water's Edge
1 Oboro, Palace in the Clouds
2 Otawara, Soaring City
4 Waterlogged Grove
4 Aether Vial
2 Benthic Biomancer
4 Glasspool Mimic // Glasspool Shore
2 Harbinger of the Tides
2 Kira, Great Glass-Spinner
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Silvergill Adept
4 Subtlety
4 Svyelun of Sea and Sky
4 Tide Shaper
Sideboard:
2 Archmage's Charm
2 Counterspell
4 Cursecatcher
1 Dismember
2 Echoing Truth
2 Force of Negation
1 Hurkyl's Recall
4 Master of Waves
4 Merrow Reejerey
2 Mystical Dispute
1 Relic of Progenitus
4 Rishadan Dockhand
4 Spreading Seas
4 Thieving Skydiver
2 Tidebinder Mage
1 Vodalian Hexcatcher