Main deck (60) 4 Aether Vial 4 Benthic Biomancer 1 Brazen Borrower 4 Force of Negation 2 Harbinger of the Tides 5 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 2 Merrow Reejerey 4 Mutavault 1 Oboro, Palace in the Clouds 2 Sea's Claim 4 Silvergill Adept 7 Snow-Covered Island 4 Spreading Seas 1 Thassa, God of the Sea 3 Waterlogged Grove Sideboard (15) 2 Ashiok, Dream Render 2 Ceremonious Rejection 2 Cryptic Command 1 Nimble Obstructionist 2 Relic of Progenitus 2 Spellskite 2 Spell Snare 2 Tidebinder Mage