WHICH FREE NEW OR RETURNING PLAYER DECK IS THE BEST IN ASHES OF OUTLAND?

In March, Blizzard introduced free decks for new players and returning players. There is one deck available for each class (except for Demon Hunter) and you get to choose the one you want. All the cards you get in the deck are added to your collection and you can do what you want with them: use them in other decks or even disenchant them  ...