Wanda can read minds, or more specifically, see people's fears and desires. Can Wanda do this to your character?
What fears and/or desires is she likely to see?
Can Wanda use this information against your character, which may or may not include projecting visions that play off your character's fears and/or desires?
Are there any visions you would like to have Wanda project to your character for the sake of plot and/or your character's development?
Anything else you can think of that might be important regarding Wanda using her powers on your character?