Damping Matrix Tweet Near Mint, English, limit 16 $0.07 / $0.08 credit Lightly Played, English, limit 16 $0.07 / $0.08 credit 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: Regular Card Number: 161/306 Set Name: Mirrodin Category: Mirrodin