GM thoughts time. 

Before I decided on delivery drones, City Side would have faced something along the lines of the [url=http://megamitensei.wikia.com/wiki/X_series_robots]X-series Robot[/url].

I realised it might be a bit too difficult, so I went for the drones. Also I saw an ad for them on TV. I did however; misjudge the number of city players.