RegentGames via Eneba has $50 Xbox Live Gift Card for $38.99 when you apply discount code X50USD in cart.
Service fees apply. Use the indicated discount code to reach the following price (after coupon and service fees).
Instructions:
1. Choose your product and click "Buy Now"
2. Go to cart
3. Apply discount code: X50USD
4. Select payment method Credit Card or any other available (Service fees will be applied here)
5. Proceed to checkout with end-price indicated above.
*Price is subject to change by a few cents due to currency exchange rate volatility