Complex sentence: A new version of the Mismade Girl has recently appeared, referred to either as the Italian Mismade, or Mismade Improved, with a routine designed to demonstrate that the illusion could not be performed using the method of the original Mismade Girl.
Split into simpler sentences: A new version of the Mismade Girl has recently appeared, referred to either as the Italian Mismade, or Mismade Improved. This gives the impression that illusion could not be performed using the method of the original Mismade Girl.