I noticed Best Buy put this on sale this week for $17.99. Looks like it still includes the metal case.
https://www.bestbuy.com/site/dragons-crown-pro-battle-hardened-edition-playstation-4/6180405.p?skuId=6180405
Even cheaper if you still have GCU.
https://www.bestbuy.com/site/dragons-crown-pro-battle-hardened-edition-playstation-4/6180405.p?skuId=6180405
Even cheaper if you still have GCU.