Even if it cancelled multi target spells for the first person in the list or everyone in the list, it'd still be more useful than it is now, which is zero usefullness
Yes, ideally, being able to put spell and target would be best, but I'd be happy with better for now.
'Tetht the printhiple, tetht the printhiple,' muttered Igor. 'Thorry, thur, but Igorth do not "tetht the printhiple". Thtrap it to the bench and put a good thick bolt of lightning through it, thatth our motto. Thatth how you tetht thomething.'