4 Benthic Biomancer 4 Merfolk Trickster 2 Harbinger of the Tides 4 Master of Waves 4 Master of the Pearl Trident 2 Vapor Snag 4 Deprive 4 Spreading Seas 4 Mutavault 4 Silvergill Adept 1 Oboro, Palace in the Clouds 4 Aether Vial 15 Island 4 Lord of Atlantis Sideboard 2 Wizard's Retort 2 Tidebinder Mage 2 Grafdigger's Cage 2 Dismember 1 Spell Pierce 4 Relic of Progenitus 2 Echoing Truth