A.D.H.D.

You give someone of your choice Attention-Deficit/Hyperactivity Disorder.

They now gain one of the following:

Attention-Deficit. They gain Disadvantage on all concentration checks until the end of the duration.

Hyperactivity. They now have an extra action until the end of their turn.

You can choose to cast this spell as many times as you wish without using a spell slot but each time you gain the following effects:

Burnout. You gain a level of exhaustion.