The 95 Theses

The 95 Theses costs {1} less to cast if you control a book token.
When The 95 Theses enters the battlefield, all Catholic creatures get -2/-1.
Catholic creatures cost {1} more to cast.
Martin Luther created 95 theses which stated all of the grievances he had against the Catholic Church. It was spread throughout Europe with the use of Gutenberg's printing press.