Wand of Flatulence

This wand has 3 charges. While holding it, you can use a bonus action to expend 1 of its charges and target a humanoid you can see within 30 feet of you. The target must succeed on a DC 12 Constitution saving throw or be forced to fart.
The target rolls 1d4. On a 1, the fart is wet and the target takes 4 (emotional) damage. On a 4, the fart is loud and audible up to 20 feet. On a 2 or 3, the fart is silent (but deadly) and any allies within 10 feet have to make a DC 12 Constitution saving throw or ta