Futuristic City

In the Beginning of your Upkeep: Receive
1 Credit per Activity Counter on Futuristic City.
{t}: Add {1} to your Mana Pool for Every
Activity Counter on Futuristic City.
{x}, Tap X Players in the City Location:
Put an Activity Counter on Futuristic City.
(X equals the Number of Activity Counters on it.)
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