Main deck (60) 1 Castle Vantress 4 Harbinger of the Tides 21 Island 1 Kopala, Warden of Waves 4 Master of the Pearl Trident 4 Master of Waves 4 Merfolk Sovereign 1 Minamo, School at Water's Edge 4 Mindspring Merfolk 3 Mistcaller 1 Rishadan Dockhand 2 Sea's Claim 4 Silvergill Adept 3 Sleep Magic 3 Thassa, God of the Sea Sideboard (15) 1 Kopala, Warden of Waves 1 Mistcaller 3 Pithing Needle 2 Riptide Pilferer 2 Sea's Claim 1 Silent Gravestone 1 Sleep Magic 1 Thada Adel, Acquisitor 2 Thieving Skydiver 1 Tidebinder Mage