I think I have figured out why 'Prize Pistol' is neutral. It may be supposed to represent a cursed weapon.
Look at the illustration, check out the jewelled box the pistol is kept in. No government or police guy would use such a box for a weapon. He FOUND the weapon in the cult stronghold, and took it home with him as a souvenier. And the curse begins its work on him.
Say I know I will be playing against a deck which has Agency characters. I throw three copies of Prize Pistol in my deck and rub my hands in anticipation.
My opponent has characters in play, one of which is Agency with combat icons. I attach prize pistols (neutral, easy to pay for) to HIS character !! Then I merrily pay one to have his charcter wound one of his buddies! Next turn I do it again !
I think this works because I still control "prize pistols" even though it is attached to the opponent's character.
Chick