So, what that was was a natural evolution of Pitching: Iconomancy. They don't have that large of an effect. That particular icon was huge. But it's a way to get consistent results from Pitching: use icons everyone is familiar with, and the effect will be roughly consistent. Waverider, to use an example, is an icon of the ocean. If you make an icon of her all angry, you'll get something that hurts someone with water. You make one of her calm, it would have a different effect.
If anyone wants to run from the flash flood that's roaring through entertainment at the moment, feel free. It shouldn't stick around long, just long enough to get everything wet.
Hey son, wanna' learn how ta' make witch balls?