Core Prowler [Mirrodin Besieged] Elder Dragon (The next time this creature

(The next time this creature would be destroyed this turn

if you control three or more artifacts

Set: Time Spiral Timeshifted Type: Instant Rarity: Rare Cost: {G} Counter target instant or Aura spell that targets a permanent you control

(They can't be blocked except by artifact creatures and/or black creatures

Core Prowler [Mirrodin Besieged] Elder Dragon (The next time this creatureSet: Mirrodin Besieged Type: Artifact Creature Phyrexian 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.)