Name: Damping Matrix Cost: 3 CMC: 3 Color: CID: Type: Artifact Rules Text: Activated abilities of artifacts and creatures can't be activated unless they're mana abilities. Set/Rarity: Mirrodin rare, Modern Masters 2017 rare Set Code: MRD-R, MM3-R Legality: Legal in vintage, Legal in duel, Legal in legacy, Legal in predh, Legal in modern, Legal in oathbreaker, Legal in commander, Legal in penny Price: $0.70 Foil price: $4.07