The European tea leaf divination we know arose relatively recently – probably in the second half of the 18th century in England, where it is popular to this day.
The Egyptian goddess became for the early Christians the antagonist of the Mother of God, and everything connected with her cult turned into devilish, and the priestesses of the cult into witches.
No specific magic skills are required to create a board. If you want to make a board, you need quality wood, wax, and varnish. Wood is best taken from hard species.