Arcane Signet (1641) - Rainbow Foil Tweet Out of stock. Wishlist Details Color: Artifact Card Text: {T}: Add one mana of any color in your commanders color identity. Rarity: R Cost: 2 Card Type: Artifact Artist: Rovina Cai Name: Arcane Signet Finish: Foil Card Number: 1641 Set Name: Secret Lair Drop