hey presto vs job's a good 'un

hey presto

intj
  • Used by stage magicians, when performing a magic trick. 

  • Indicates a sudden desirable conclusion or change, as if by magic 

job's a good 'un

phrase
  • Expresses satisfaction that a task has been or will be carried out successfully, often suggesting that the task is simple, or ironically implying that it has been completed in a cursory or slapdash manner. 

How often have the words hey presto and job's a good 'un occurred in a corpus of books? (source: Google Ngram Viewer )