Deletion of Magic system

Comment: Here's a https://books.google.co.uk/books?id=_1rSBQAAQBAJ book on the subject; note that this also includes discussion of the hard/soft distinction.  The topics are therefore notable per  and the following policies apply: ;  and .  As  has not been cast correctly, that's 10 points from Slytherin
Stance: keep
Cited policy: Wikipedia:Notability (WP:NEXIST||WP:ATD||WP:NOTPAPER||WP:PRESERVE||WP:BEFORE)