Radical 攵
7 strokes
self 己 (271) + tap 攵 (190a) = alter 改
[改进 (358) gǎijìn improvement]
[改期 (236) gǎiqī to change the date (of a meeting etc.)]
[改日 (6) gǎirì another day (than today)]
[改正 (29) gǎizhèng rectify]

The magician needed merely to tap him self with his wand to alter his appearance completely. / Teddy (dressed up as his assistant) cries, “Will you look at this guy!”