Main deck (60) 4 Benthic Biomancer 4 Coralhelm Commander 4 Harbinger of the Tides 20 Island 2 Kopala, Warden of Waves 1 Lonely Sandbar 2 Lose Focus 4 Master of the Pearl Trident 4 Merrow Reejerey 4 Rishadan Dockhand 4 Silvergill Adept 3 Tidal Warrior 4 Tide Shaper Sideboard (15) 3 Lantern of the Lost 2 Negate 3 Rebuild 2 Spell Pierce 3 Tidebinder Mage 2 Vapor Snag