Name: Slagstone Refinery Cost: 4 CMC: 4 Color: CID: Type: Artifact Rules Text: Whenever this artifact or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") Set/Rarity: The Brothers' War uncommon Set Code: BRO-U Legality: Legal in legacy, Legal in duel, Legal in competitivebrawl, Legal in historic, Legal in gladiator, Legal in commander, Legal in oathbreaker, Legal in timeless, Legal in pioneer, Legal in vintage, Legal in brawl, Legal in modern Price: $0.18 Foil price: $0.33