This horn was fashioned from one of the horns of Balmytria. It has two command words: one produces delicious food, along with water and wine, in a sufficient quantity to keep six Medium-sized creatures well fed for a day. If wine is drunk from the horn it can sometimes (at your discretion) induce a deep sleep with dreams that will reveal possible futures.
The second command word produces a paralyzing, mercurial vapor. Once per day, you may use an action to create a cloud within 60 ft. of you. The cloud starts with a 5 ft. radius, which increases by 5 ft. each round to a maximum of 30 ft. Any creature that starts its turn in the mist must make a DC 14 Constitution saving throw or be paralyzed until the start of its next turn.