Main deck (60) 4 Creeping Chill 3 Glimpse the Unthinkable 4 Gravecrawler 2 Gurmag Angler 4 Hedron Crab 4 Marsh Flats 2 Memory Sluice 4 Merfolk Secretkeeper 4 Narcomoeba 2 Once Upon a Time 3 Overgrown Tomb 3 Polluted Delta 4 Prized Amalgam 4 Stitcher's Supplier 1 Swamp 4 Vengevine 4 Verdant Catacombs 4 Watery Grave Sideboard (15) 1 Assassin's Trophy 2 Collective Brutality 1 Damping Sphere 2 Fatal Push 3 Force of Negation 1 Leyline of the Void 2 Nature's Claim 2 Oko, Thief of Crowns 1 Thoughtseize