If you were a top illusionist (or magician), what mischievous trick would you do

Question:

If you were a top illusionist (or magician), what mischievous trick would you do?

Best Answer - Chosen by Asker: if I were really good and greedy at the same time I would make all of the money in the audience appear in a big Glass jar on stage and then let the audience fight over who gets what I would get the video rights to that one