Is There Anyway I Could Buy Wow TCG Cards Directly From Their Website?

Yep, This site:
 I always buy Wow gold. I used to search cheap wow gold site, and pay for 100k wow gold, but it is banned, the cheapest site is not reliable, and then i used more safe site, and many is safe then cheap.

http://www.guy4game.com/world-of-warcraft-us/wow-items/?aid=1891

they will send your code to your email, usually, i receive my code soon.

Quote from Guy4Game:

WOW Items 24 Hours Delivery Guarantee!

We use in-game mail system to do the delivery, so you don’t have to transfer your character to other realms. We will try to finish your orders within 24 hours, if we failed to do so, you will be compensated with a coupon equals to 20% of the uncompleted part.