Main deck (60) 4 Aether Vial 1 Breeding Pool 1 Cavern of Souls 4 Cursecatcher 4 Darkslick Shores 4 Inverter of Truth 5 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 3 Merrow Reejerey 1 Mutavault 4 Once Upon a Time 2 Phantasmal Image 3 Polluted Delta 4 Silvergill Adept 3 Spreading Seas 1 Sunken Ruins 4 Thassa's Oracle 1 Urborg, Tomb of Yawgmoth 3 Watery Grave Sideboard (15) 4 Chalice of the Void 1 Damping Sphere 2 Force of Negation 3 Leyline of the Void 2 Mystical Dispute 2 Plague Engineer 1 Spreading Seas