Land — Urza's Tower {T}: Add {1} to your mana pool. If you control an Urza's Mine and an Urza's Power-Plant, add {3} to your mana pool instead.
Common (C2)
Urza always put Tocasia's lessons on resource-gathering to effective use.
Illus. Mark Poole
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern