Check this Kibler Karazhan Resurrect Priest w Onyx Bishop if you’re looking for deck ideas that utilize the new Onyx Bishop card.
Kibler is one of the best, and most prolific Priest players. This is his own list he is using to ladder right after the release of the new cards.
Using Onyx Bishop and Resurrect is going to feature in a lot of Priest decks from now onwards. Bring back 4 minions that have died is another value tool for the Priest and strengthens up the class.