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 Legality: Legal in penny, Legal in predh, Legal in legacy, Legal in oathbreaker, Legal in duel, Legal in commander, Legal in vintage, Legal in modern Price: $0.56 Foil price: $5.88