Core Prowler [Mirrodin Besieged] Vintage {T}: Add {B} or {R}

{T}: Add {B} or {R}

Set: Magic Player Rewards 2007 Type: Instant Rarity: Rare Cost: {1}{W} Destroy target artifact or enchantment

—Elvish saying

Whenever a creature an opponent controls with a -1/-1 counter on it dies

Core Prowler [Mirrodin Besieged] Vintage {T}: Add {B} or {R}Set: Mirrodin Besieged Type: Artifact Creature Horror Rarity: Uncommon Cost: {4} Infect (This creature deals damage to creatures in the form of 1 1 counters and to players in the form of poison counters.) When Core Prowler dies, proliferate. (Choose any number of permanents and or players, then give each another counter of each kind already there.)