flavorText: Mines became common as cities during the days of the artificers.
name: Urza's Mine
originalText: oc\nT: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add two colorless mana to your mana pool instead of one.
printings: 2XM, 5ED, 8ED, 9ED, ATQ, BCHR, CHR, CMM, J22, M3C, ME4, PRM, RIN
text: {T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.