Is It Possible for Me to Cast My Counter Charm?

Everyone except Kyborg needs to take one point of damage. In addition, all of you except for Kyborg are stunned. You automatically fail strength and dexterity saving throws and attack rolls against you have advantage. Bart is suddenly sitting in a chase lounge with a therapist. The creature falls to the ground after an arrow goes through his tentacle head. A cardboard begins laughing even in the dark. And then why do I know that we're still in danger? Because I'm goofing off since it's my turn.