Main deck (60) 4 Brazen Borrower 4 Brineborn Cutthroat 3 Castle Vantress 2 Essence Capture 20 Island 2 Mystical Dispute 2 Negate 4 Opt 3 Quench 4 Sea-Dasher Octopus 4 Sinister Sabotage 4 Spectral Sailor 4 Stonecoil Serpent Sideboard (15) 4 Aether Gust 2 Ashiok's Erasure 2 Disdainful Stroke 3 Grafdigger's Cage 2 Mystical Dispute 2 Mystic Subdual