Walmart
You get to level 22 and beat Yami Marik Then you will have all packs available however some cards you have to trade to get.
You buy them using your DP you win in a duel, at the card store!
Best place to watch any episodes of Yugioh, Yugioh GX, Yugioh 5D's, and Yugioh Zexal is at the website 4kidstv.com
Series after: yugioh 5'ds is yugioh Zexal.
The red one!
Probably $15 to $19
Walmart
ebay
It comes in packs of Stardust Overdrive.
Playing Story Mode
You get to level 22 and beat Yami Marik Then you will have all packs available however some cards you have to trade to get.
yes you can no you can,they only have yugioh 5ds cards at almart,but yuo can get yugioh gx cards from toys r us and target
Buy packs
* http://yugiohpower.com/
You can't create real card, these are basically the play money of yu-gi-oh, you can't use them. look on the website in tutorials that's where i found the answer I would put it here but it is to long to put here
You buy them using your DP you win in a duel, at the card store!