{T}: Add {R}. Spend this mana only to cast an instant or sorcery spell. Craft with four or more red instant and/or sorcery cards {3}{R}{R} ({3}{R}{R}, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner?s control. Craft only as a sorcery.) Cosmium Catalyst Color Indicator: RedArtifact {1}{R}, {T}: Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost.