Main deck (60) 4 Aether Vial 4 Benthic Biomancer 2 Cavern of Souls 1 Echoing Truth 3 Harbinger of the Tides 13 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 3 Master of Waves 4 Merfolk Trickster 4 Merrow Reejerey 2 Mistcaller 4 Mutavault 4 Silvergill Adept 4 Spreading Seas Sideboard (15) 3 Ceremonious Rejection 2 Damping Sphere 2 Echoing Truth 2 Grafdigger's Cage 2 Relic of Progenitus 2 Tidebinder Mage 2 Vapor Snag