Main deck (60) 4 Aether Vial 4 Cavern of Souls 2 Chalice of the Void 4 Force of Will 2 Glasspool Mimic 4 Harbinger of the Tides 14 Island 1 Karakas 4 Master of the Pearl Trident 2 Maze of Ith 3 Merfolk Trickster 4 Silvergill Adept 2 Svyelun of Sea and Sky 2 Thassa's Oracle 4 Tide Shaper 4 True-Name Nemesis Sideboard (15) 1 Engineered Explosives 2 Force of Negation 3 Grafdigger's Cage 1 Muddle the Mixture 1 Null Rod 4 Paradigm Shift 1 Surgical Extraction 2 Thassa's Oracle