BarmE

Like some others I found all the cards usable when I started a fresh Valeros and checked my collection in manage decks. This was after completing on normal. Not sure if gold is tied to legendary as it doesn't have legendary in () after the reward

Mr. Bishop it's: PFID-7FBDBB9B83033562

I found another whereby I didn't get the 5000 gold adventure reward after completing all scenarios (on normal).