Aura Shards [Commander 2011] noPrice and library for any number

and library for any number of cards with the same name as that card and exile them

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

Set: Mirrodin Type: Legendary Artifact — Equipment Rarity: Rare Cost: {4} Equipped creature gets +5/+5

He tricked an army of 150

they may copy this spell and may choose a new target for that copy

Aura Shards [Commander 2011] noPrice and library for any numberSet: Commander 2011 Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment. Gaea forged her soldiers into self wielding weapons that struck down all impurities.