4 Aether Vial 3 Cavern of Souls 4 Chthonian Nightmare 4 Gnawing Vermin 4 Karumonix, the Rat King 4 Lord Skitter's Butcher 4 Lord Skitter, Sewer King 2 Marsh Flats 4 Nameless Inversion 2 Nezumi Prowler 1 Overgrown Tomb 4 Pack Rat 2 Piper of the Swarm 6 Swamp 4 Swarmyard 1 Takenuma, Abandoned Mire 2 Thoughtseize 2 Unearth 1 Urborg, Tomb of Yawgmoth 2 Verdant Catacombs 2 Assassin's Trophy 1 Engineered Explosives 2 Force of Despair 2 Legion's End 2 Masked Vandal 2 Necromentia 2 Sheoldred's Edict 2 Toxic Deluge