name: North Star
originalText: {4}ocT: You may cast one spell this turn by paying its casting cost with any type of mana. For example, {2}{G}{G} becomes {4}. However, the card still retains its original color. This ability is played as an interrupt.
printings: LEG
text: {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.)
type: Artifact