If you are one of those people who have difficulty remembering the rules for games, you may wish to avoid Magic. It has been classified as the most complex game in existence. This is not merely someone’s opinion; it has been backed up by a scientific study.The World’s Most Complex Game is Too Complicated for a Computer — Commonplace Fun Facts.
There is a video in the attached link. Never gotten into Magic the Gathering as it tends to be a lot pricier than I am willing to spend.