Main deck (60) 4 Aether Vial 4 Benthic Biomancer 2 Brazen Borrower 1 Castle Vantress 4 Cavern of Souls 4 Chalice of the Void 4 Dismember 4 Force of Negation 8 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 1 Minamo, School at Water's Edge 3 Mutavault 1 Oboro, Palace in the Clouds 4 Silvergill Adept 2 Spreading Seas 2 Waterlogged Grove Sideboard (15) 2 Ashiok, Dream Render 2 Brazen Borrower 2 Damping Sphere 3 Grafdigger's Cage 2 Kopala, Warden of Waves 2 Sorcerous Spyglass 2 Spreading Seas