wave a wand

wave a (magic) ˈwand (and do something)

find a quick and easy way of doing something that is very difficult or impossible; do something as if by magic: I’m sorry, but I can’t just wave a magic wand and solve your problems.If you could wave a wand, what sort of apartment would you really like?
A wand is a straight thin stick that is held by a person who is performing magic.
See also: wand, wave