Name: Keening Stone Cost: 6 CMC: 6 Color: CID: Type: Artifact Rules Text: {5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard. Set/Rarity: Rise of the Eldrazi rare, Commander 2016 rare, The Brothers' War Retro Artifacts rare Set Code: ROE-R, C16-R, BRR-R Legality: Legal in modern, Legal in gladiator, Legal in predh, Legal in brawl, Legal in legacy, Legal in penny, Legal in vintage, Legal in timeless, Legal in oathbreaker, Legal in historic, Legal in commander, Legal in duel Price: $0.35 Foil price: $0.35