Name: Core Prowler Cost: 4 CMC: 4 Color: CID: Type: Artifact Creature -- Phyrexian Horror Pow/Tgh: 2/2 Rules Text: Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Set/Rarity: Mirrodin Besieged uncommon Set Code: MBS-U Legality: Legal in predh, Legal in modern, Legal in commander, Legal in vintage, Legal in legacy, Legal in duel, Legal in oathbreaker Price: $2.57 Foil price: $6.26