Main deck (60) 1 Agent of Treachery 3 Ashiok's Erasure 2 Brazen Borrower 4 Gadwick, the Wizened 1 Glasspool Mimic 2 Harbinger of the Tides 19 Island 4 Leyline of Anticipation 4 Nykthos, Shrine to Nyx 4 Omen of the Sea 3 Tempest Djinn 2 Thassa, Deep-Dwelling 3 Thassa, God of the Sea 4 Thassa's Oracle 4 Witching Well Sideboard (15) 1 Aether Gust 1 Agent of Treachery 1 Disdainful Stroke 2 Master of Waves 3 Mystical Dispute 2 Soul-Guide Lantern 1 Tempest Djinn 4 Tidebinder Mage