Main deck (60) 4 Aether Vial 4 Chalice of the Void 4 Glasspool Mimic 4 Harbinger of the Tides 12 Island 4 Master of the Pearl Trident 4 Master of Waves 4 Merfolk Trickster 1 Minamo, School at Water's Edge 4 Mutavault 1 Oboro, Palace in the Clouds 4 Silvergill Adept 2 Spreading Seas 4 Subtlety 4 Svyelun of Sea and Sky Sideboard (15) 4 Ancestral Vision 4 Counterspell 1 Ratchet Bomb 4 Relic of Progenitus 2 Spreading Seas