Damping Matrix - Foil Tweet NM-Mint, English, limit 12 CAD$ 6.59 / CAD$ 8.24 credit Buy This Product Details Color: Artifact Card Text: Activated abilities of artifacts and creatures can't be played unless they're mana abilities. Rarity: R Cost: 3 Card Type: Artifact Artist: Mike Dringenberg Name: Damping Matrix Finish: Foil Card Number: 161/306 Set Name: Mirrodin