1 Mutavault 1 Mind Stone 1 Guardian Idol 1 Duress 1 Phyrexian Arena 1 Coldsteel Heart 31 Snow-Covered Swamp 1 Cloud Key 1 Thoughtseize 1 Caged Sun 1 Semblance Anvil 1 Pack Rat 1 Hedron Archive 1 Bontu's Monument 1 Vanquisher's Banner 1 The Immortal Sun 34 Rat Colony 1 Piper of the Swarm 1 Wickerwing Effigy 1 Arcane Signet 1 Herald's Horn 1 Crippling Fear 3 Swamp 1 Echoing Return 1 Faceless Agent 1 Black Market Connections 1 Shadowspear 1 Marrow-Gnawer 1 Tangled Colony 1 Karumonix, the Rat King 1 Lord Skitter's Butcher 1 Voracious Vermin 1 Twisted Sewer-Witch 1 Virtue of Persistence 1 Lord Skitter, Sewer King