Be nice to him,All cats must have toys and interactions to keep their instincts sharp, or they begin to become vicious with their humans. They do not want to be mean, but their instincts are so strong it is their only defense to protect their skills.
Make sure you keep playing with her, and if you don't want to be scratched, get a stick with a string on it so she can practice her hunting skills. Otherwise, enjoy the dance! She's trying to get you to join in!