For ease of anxiety - salat on the Prophet ﷺ
For cutting off dunya/distraction - la ilaha illa Allah
For protection from punishment - istighfar & sadaqa
For smoothing of character - salat on the Prophet ﷺ
For protection from enemy - hasbi Allah wa ni'm al-wakil
For protection from consequences of own errors - la ilaha illa anta subhanaka inni kuntu min al-zalimeen