Beware, my apprentice, of the curse of counter spells and endless loops.
Technical Details and Credits This image has been rendered using the POVRay raytracer. No post-processing has taken place on the image to make the illusion work; this is the 3D scene as it is rendered by the raytracer. The font that is used is Mage Script by Neale Davidson.
Edit - 9 June 2014 Updated image to improve the look of the "magic electricity". Amongst others, it is now more prominent.