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