You need to have Madden Rewards setup before anything else, that's how you'll get the email from EA with instructions on what to do. But basically, it allows you to boost the stats of any card that is already in the game, it could be a silver player boosted up to 99 if you really wanted it to be
You would be smart making Big Ben all them abilities change the release add some speed an other things an boom best qb in the game with two 0ap go gift wrap and go conductor and absolutely the best card you can make