a/the magic touch
An ability to perform a particular task perfectly or with ease, especially when other cannot. I asked Gary if he wanted to try starting the car, and sure enough he had the magic touch. Give that account to June. She has the magic touch when it comes to dealing with difficult clients.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(have) a/the magic ˈtouch(have) a special ability that means you do something very well: She seems to have a magic touch with the children and they do everything she asks.
Farlex Partner Idioms Dictionary © Farlex 2017