New Redemption Grab Bag now includes an assortment of 500 cards from five (5) different expansion sets. Available at Cactus website.
It was ruled that Matthew cannot recur Authority of Christ. The thread is here. This is due to AOCP not having a reference.http://www.cactusgamedesign.com/message_boards/ruling-questions/matthew-vs-aocp/
As far as I know, AoCP is a NT Card, it's just not from a specific book.