Name: Khalni Gem Cost: 4 CMC: 4 Color: CID: Type: Artifact Rules Text: When this artifact enters, return two lands you control to their owner's hand. {T}: Add two mana of any one color. Set/Rarity: Zendikar uncommon Set Code: ZEN-U Legality: Legal in duel, Legal in commander, Legal in predh, Legal in vintage, Legal in oathbreaker, Legal in penny, Legal in modern, Legal in legacy Price: $0.28 Foil price: $1.37