4 Mutavault 20 Island 4 Quench 4 Smuggler's Copter 4 Tempest Djinn 4 Thassa, God of the Sea 4 Merfolk Trickster 4 Siren Stormtamer 4 Harbinger of the Tides 4 Master of Waves 4 Brazen Borrower Sideboard 4 Tidebinder Mage 4 Spell Pierce 3 Sorcerous Spyglass 4 Negate