Mirrodin Besieged Booster Pack
This 155-card black-bordered set includes randomly inserted premium versions of all cards in the set, new mechains (Battle Cry and Living Weapons), and a new Planeswalker card.
Set Name: Mirrodin Besieged
Block: Set 2 of 3 of the Scars of Mirrodin Block
Number of Cards: 155
Release: Feb, 2011