1) Тут 1d4chan.org/wiki/GURPS есть иллюстрация одной страницы таких диаграмм от стандартной магии с подписью «The magic system in GURPS is simple (page 21 of 38)»

Using its third edition vehicle creation system will make you want to eat your own face, and possibly devote the whole process to one or more elder gods.