1. prophet - ONE WORD. money. Money catches peoples eyes. Always. And if you do magic with it, they will be amazed any way.
2. distortion - amazing, again. But, for some people it might seem like too impossible, on the other hand, you can get great reactions with it.
3. panic - easy, and will amaze. Very clean and slow vanish, but works veery well.
Overall, i'd say, choose between panic or prophet.
Prophet you can carry always with yourself, but panic needs a minor preporation.