Core Prowler [Mirrodin Besieged] Elder Dragon "An entire order of mages

"An entire order of mages who draw their power from Ravnica's smog

Set: Magic 2013 Type: Creature — Giant Warrior Rarity: Rare Cost: {6}{R} Whenever another creature enters the battlefield

As long as you control a Demon

(The next time this creature would be destroyed this turn

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

Core Prowler [Mirrodin Besieged] Elder Dragon "An entire order of magesSet: 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.)