Pain's Tower

Pain's Tower enters the battlefield tapped.
{t}: Add one mana of any color. If {b} is chosen
this way, you lose 2 life and create a 1/1 black
Ninja creature token.
At the base of the tower, members of Pain's forces
deliver bodies. Its height allows Nagato to transmit
chakra signals to the Paths regardless of their position
in the city.