Deck 4 Tide Shaper 4 Harbinger of the Tides 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 4 Silvergill Adept 4 Svyelun of Sea and Sky 4 Aether Vial 3 Dismember 3 Force of Negation 1 Castle Vantress 1 Oboro, Palace in the Clouds 1 Minamo, School at Water's Edge 1 Fiery Islet 1 Cavern of Souls 4 Mutavault 4 Glasspool Mimic 9 Island Sideboard 1 Echoing Truth 2 Spreading Seas 4 Relic of Progenitus 4 Counterspell 4 Chalice of the Void