2 Castle Vantress
1 Faerie Conclave
12 Island
2 Mutavault
1 Waterlogged Grove
4 Aether Vial
2 Benthic Biomancer
1 Brazen Borrower // Petty Theft
4 Counterspell
1 Cursecatcher
2 Glasspool Mimic // Glasspool Shore
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Merrow Reejerey
4 Silvergill Adept
4 Svyelun of Sea and Sky
4 Tide Shaper
Sideboard:
1 Dismember
1 Grafdigger's Cage
2 Harbinger of the Tides
2 Mystical Dispute
2 Phyrexian Revoker
1 Pithing Needle
1 Sorcerous Spyglass
1 Soul-Guide Lantern
4 Spreading Seas