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 duel, Legal in historic, Legal in pioneer, Legal in vintage, Legal in brawl, Legal in timeless, Legal in commander, Legal in modern, Legal in legacy, Legal in oathbreaker, Legal in gladiator Price: $0.15 Foil price: $0.34