Ok for this years Halloween party I going at the Joker firm the Dark Knight. I got the full costume including:?

the purple suit, jacket, shoes, face pain and a wig. I have also a Pocket full of joker cards that I can write on, pus a pencil with an adhesive on the eraser so i can do the 'MAGIC TRICK;.. Does anyone else know and think of any idea of what i can do to make this better including,controbutions of what to say of the joker cards are in game too,