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'{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.
'{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.
'{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.
'{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.
'{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.
'This artifact enters tapped.
{T}: Add {C}{C}.
'Artifact, instant, and sorcery spells you cast cost {1} less to cast. {7}: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone,...
'{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.
'{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.
'This artifact enters tapped.
{T}: Add {C}{C}.
'This artifact enters tapped.
{T}: Add {C}{C}.
'This artifact enters tapped.
{T}: Add {C}{C}.