Two things I request here. I'm sure that are both possible.
Lawn-Mower
An item or vehicle that you could pick up that can be used to mow people over with (Maybe a push mower or a motorized one).
Night Vision
A transparent green GUI that can be brought up by a slash command or a key-bind or an item that would allow the user to see in the dark without turning on the light (For stealth operations and possibly to go in conjunction with Masterlegodude's scouter).
I got the night vision idea from a video tutorial teaching how to do night vision on Youtube with RTB and the GUI editor.