I have been looking at Eric Jones's el cambio nada, and multiple color change effects. I have made a steal which without knowing I did it, can be used in a color change effect. I also created a modified version of the erdnase color change, so that it doesn't even look like an erdnase. The 2 change color change use's these techniques and even a bonus move which turns 2 red aces into black aces, and back into red.