20 Island
4 Mutavault
4 Benthic Biomancer
4 Brazen Borrower // Petty Theft
4 Master of Waves
4 Merfolk Trickster
4 Siren Stormtamer
4 Smuggler's Copter
4 Tempest Djinn
4 Thassa, God of the Sea
4 Wizard's Retort
Sideboard:
3 Negate
4 Sorcerous Spyglass
4 Spell Pierce
4 Tidebinder Mage