I try always to steer clear of the phrase “self-working”. I don’t believe any magic qualifies. No magic routine does itself, so it follows that all magic requires some degree of practice. Most – sometimes even the simplest routines – require a lot. Yes, some roads will be harder to walk than others - but be very careful what you attach to the words “too difficult”. I mean...
I'm the guy from the homepage. You probably already know that.