This is the transformation for Magical Girl Pretty Amy. Watch.
Magical Girl Pretty Amy is a magical girl show based on the Macy's Parade and Magical Girl Pretty Miyuki. The protagonist, Amy, was a very popular Macy's employee for millions of viewers in her country. She defends the world from three elemental villains, Kasai (Red), Mizu (Cyan or Blue), and Shizen (Green). These antagonists create invisible monsters depending on their elemental powers, Fire, Water, and Nature. When Amy finds out, she uses her magical girl wand to give her more fighting power.