Marie Kondo's the Life-Changing __ Tidying Up

This page is the CodyCross answer for the clue below from All Things Water, Group 1286, Puzzle 3 (Water Aerobics).

Question is: Marie Kondo's the Life-Changing __ Tidying Up

and the answer is: MAGICOF

Word Meaning:

MAGIC — The application of rituals or actions, especially those based on occult knowledge, to subdue or manipulate natural or supernatural beings and forces in order to have some benefit from them.

Definitions from Wiktionary.