Type

Legendary Artifact

Oracle Text

The Enigma Jewel enters tapped.\n{T}: Add {C}{C}. Spend this mana only to activate abilities.\nCraft with four or more nonlands with activated abilities {8}{U} ({8}{U}, Exile this artifact, Exile the four or more from among other permanents you control and/or cards in your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)