Main deck (60) 4 Boomerang 22 Island 2 Kopala, Warden of Waves 4 Master of the Pearl Trident 4 Merfolk Sovereign 2 Merrow Reejerey 4 Ponder 4 Rishadan Dockhand 2 Seafloor Oracle 4 Sea's Claim 4 Tidal Warrior 4 Tide Shaper Sideboard (15) 4 Convincing Mirage 4 Divert 4 Memory Lapse 3 Tidebinder Mage