Damping Matrix - Foil Tweet Moncton: NM, English, limit 4 CAD$ 11.92 Fredericton: NM, English, limit 4 CAD$ 11.92 Buy this product instead 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