Main deck (60) 4 Brazen Borrower 2 Callaphe, Beloved of the Sea 4 Gadwick, the Wizened 3 Glasspool Mimic 3 Hall of Storm Giants 4 Harbinger of the Tides 12 Island 4 Leyline of Anticipation 4 Master of Waves 4 Merfolk Trickster 4 Nykthos, Shrine to Nyx 1 Otawara, Soaring City 3 Thassa, God of the Sea 2 Thassa's Oracle 2 Witness Protection 4 Wizard's Retort Sideboard (15) 4 Aether Gust 3 Ashiok, Dream Render 2 Grafdigger's Cage 4 Mystical Dispute 2 Witness Protection