BubBabble

One creature you can see in range is forced to make a Wisdom saving throw. On a failed save, they become unable to speak. Their words make no sound and float out of their mouth as pink bubbles shaped like letters. Other creatures can make a DC 10 investigation check to decipher what the creature is saying. Casting a spell that includes a Verbal component is impossible for the creature.

At the end of each of the creature’s turns, they can make another wisdom saving throw, on a success the spell ends. 

At higher levels: For each spell slot above 1st, you can target one additional creature.