Main deck (80) 1 Ashiok, Nightmare Muse 4 Clearwater Pathway 1 Commit // Memory 4 Demonic Pact 2 Divide by Zero 4 Drowned Catacomb 2 Elspeth's Nightmare 2 Extinction Event 4 Fabled Passage 4 Fatal Push 4 Fetid Pools 1 Field of Ruin 1 Geier Reach Sanitarium 4 Island 1 Kiora Bests the Sea God 4 Mazemind Tome 4 Narset, Parter of Veils 4 Omen of the Sea 4 Rite of Undoing 4 Shipwreck Marsh 4 Swamp 4 Thoughtseize 4 Trial of Ambition 4 Watery Grave 2 Whirlwind Denial 3 Yorion, Sky Nomad Sideboard (15) 2 Aether Gust 1 Confront the Past 1 Environmental Sciences 2 Go Blank 2 Heartless Act 2 Kalitas, Traitor of Ghet 2 Mystical Dispute 2 Negate 1 Yorion, Sky Nomad