3 Fiery Islet
10 Island
3 Mutavault
4 Spirebluff Canal
4 Benthic Biomancer
2 Brazen Borrower // Petty Theft
4 Brineborn Cutthroat
3 Cryptic Command
2 Cursecatcher
2 Harbinger of the Tides
4 Lightning Bolt
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Silvergill Adept
3 The Royal Scions
Sideboard:
2 Blood Moon
2 Damping Sphere
4 Force of Negation
1 Kopala, Warden of Waves
2 Relic of Progenitus
2 Tidebinder Mage
2 Vapor Snag