Mirror door

The mirror door is a magical door with a mirror. It stores forms into which people have transformed into and their true forms and can be used to transform people with stored forms. It can't be used to cast spells with the caster's magic energy. It can also show people's unenchanted forms. Originally it malfunctioned as it would start charging whenever a spell was cast within sight of it and when full of magic energy it would discharge by casting spells at random.

Noriko Verres made it to hide her scars and hid it in the basement of the Verres family's house because it malfunctioned. Edward Verres found the mirror door while cleaning. During a transformation party Elliot and Justin brought the mirror to the room where the guests were. When Sarah cast a shrinking spell on Ashley the doorknob of the mirror door made a click. Later the mirror door made a flash of light and transformed most of the party guests. Tedd concluded that her mother made it and abandoned it, which made her think of how her mother abandoned her when she appeared to be magically impaired. Tedd analyzed the mirror's magic, hammered four wands made from chopsticks into the door to discharge magic energy harmlessly and invented a spell for the drumstick wand for reverting transformations by the mirror. When Tedd looked up Noriko's form among the stored forms she saw her mother's scarred face.