Main deck (60) 4 Benthic Biomancer 2 Brazen Borrower 20 Island 4 Master of Waves 4 Merfolk Trickster 4 Mutavault 4 Silvergill Adept 4 Siren Stormtamer 2 Smuggler's Copter 4 Tempest Djinn 4 Thassa, God of the Sea 4 Wizard's Retort Sideboard (15) 1 Brazen Borrower 3 Ceremonious Rejection 3 Rapid Hybridization 4 Sorcerous Spyglass 4 Spell Pierce