I feel like being petty toward my friend. I want to cause her some grief.
Is there a reason why you want to cause drama?
I've got my reasons, no need to get into the details.
I understand that you have your reasons, but don't be petty just to cause others grief. You will only cause your issues to get worse when you are found out.
I won't be letting anyone get to me. This will get ugly.
She must have done something bad if you want to cause her upset. Don't you think it would be better for your relationship if you two just talked about why you are mad?