Black City

Upkeep: Pay {1} for Each Player in the City.
Pay {1} less for each Player you Tap.
{t}: Add one {b} to your Mana Pool for each
Player in the City.
{x}{b}{t}, Tap X Players in the City:
Target Player Discards X Cards, Draws 1 Card.
The More Players, The More Options, The More Fun!