Main deck (60) 4 Aether Vial 4 Benthic Biomancer 1 Echoing Truth 3 Harbinger of the Tides 15 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Master of Waves 4 Merfolk Trickster 4 Mutavault 1 Oboro, Palace in the Clouds 4 Silvergill Adept 4 Spreading Seas 1 Vendilion Clique 3 Wizard's Retort Sideboard (15) 2 Deprive 2 Dismember 4 Relic of Progenitus 2 Tectonic Edge 2 Tidebinder Mage 1 Vendilion Clique 2 Venser, Shaper Savant