4 Bloodstained Mire
1 Marsh Flats
3 Overgrown Tomb
3 Polluted Delta
2 Swamp
3 Verdant Catacombs
4 Watery Grave
3 Carrion Feeder
4 Creeping Chill
4 Glimpse the Unthinkable
4 Gravecrawler
1 Haunted Dead
4 Hedron Crab
4 Merfolk Secretkeeper // Venture Deeper
4 Narcomoeba
4 Prized Amalgam
4 Stitcher's Supplier
4 Vengevine
Sideboard:
1 Abrupt Decay
1 Assassin's Trophy
2 Fatal Push
2 Force of Negation
4 Leyline of the Void
3 Nature's Claim
2 Thoughtseize