The only issue with a decoy team I have is that one of the teams will likely contain the Winchesters given past histories. And I'm not sure the combined powers of this city could convince either brother to give up their place. Which means the decoy will be the one without them.
Unless we can fool Lucifer's senses enough.
Good.
And yes, most definitely. And ensure then that the map stays out of enemy hands.
Now. Are we sure there are no dissenters in the ranks, spies, anyone that would feed information to him.