Main deck (60) 4 Aether Vial 1 Cavern of Souls 2 Counterspell 3 Dismember 2 Force of Negation 2 Glasspool Mimic 2 Harbinger of the Tides 13 Island 3 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 2 Mutavault 1 Otawara, Soaring City 2 Silvergill Adept 2 Subtlety 4 Svyelun of Sea and Sky 3 Tide Shaper 4 Vodalian Hexcatcher 2 Waterlogged Grove Sideboard (15) 2 Brazen Borrower 1 Chalice of the Void 1 Counterspell 1 Dismember 1 Force of Negation 1 Grafdigger's Cage 2 Mystical Dispute 1 Pithing Needle 2 Relic of Progenitus 2 Thieving Skydiver 1 Tide Shaper