Name: Excalibur, Sword of Eden Cost: 12 CMC: 12 Color: CID: Type: Legendary Artifact -- Equipment Rules Text: This spell costs {X} less to cast, where X is the total mana value of historic permanents you control. (Artifacts, legendaries, and Sagas are historic.) Equipped creature gets +10/+0 and has vigilance. Equip legendary creature {2} Set/Rarity: Assassin's Creed rare Set Code: ACR-R Legality: Legal in duel, Legal in legacy, Legal in commander, Legal in penny, Legal in vintage, Legal in oathbreaker, Legal in modern Price: $12.63 Foil price: $12.14