4 Bloodstained Mire
2 Darkslick Shores
2 Overgrown Tomb
4 Polluted Delta
1 Swamp
3 Verdant Catacombs
3 Watery Grave
4 Creeping Chill
3 Glimpse the Unthinkable
4 Gravecrawler
3 Gurmag Angler
4 Hedron Crab
2 Memory Sluice
4 Merfolk Secretkeeper // Venture Deeper
4 Narcomoeba
1 Once Upon a Time
4 Prized Amalgam
4 Stitcher's Supplier
4 Vengevine
Sideboard:
3 Damping Sphere
4 Fatal Push
3 Force of Negation
3 Nature's Claim
2 Stain the Mind