hey presto!

listen to the pronunciation of hey presto!
English - English
Indicates a sudden desirable conclusion or change, as if by magic; ta-da; voilà

If you take the next left, you’ll see a big shop and hey presto, you’re there.

Used by stage magicians, when waving a "magic wand" and performing a trick
used to say that something happens so easily that it seems to be magic American Equivalent: presto