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 duel, Legal in predh, Legal in penny, Legal in commander, Legal in legacy, Legal in modern, Legal in vintage, Legal in oathbreaker Price: $0.54 Foil price: $2.53