Amazing, impressive trick.
floating card aka hummer card
Criss Angel and David Blaine are street magicians that can make objects levitate in the air. Remember the feeling you had as a kid when you still believed in magic. You would use your imagination to pretend you could move things with the power of your mind. Not unlike the force in Star Wars when Luke could make the light saber jump to his hand.
The floating card trick is available from the magic store Revolution Magic. update 12/19.
The levitation trick revealed is a secret known by the few. I think it would be amazing to crumple up a dollar bill and make it levitate between your hands. This trick could be done with a borrowed bill. The magic of hovering money is such a great trick to have in your arsenal. I can say that your tongue could have a role in making it float above the magician's hand. If done properly a coin can spin and hover as well. If you like that you'll love fire magic tricks.
Here's a great video of the levitating card trick.
floating card