All you need to do is to beat the game.
None
yes u can
70902743.
Yes, There is or will be a Yugioh World Championship 2010.(It will propobly be 5'Ds). I think I't has a picture of Usei Fudo and Stardust Dragon on it.
Buy packs
Darkness Neosphere can be obtained in the "World Championship Edition 9" booster pack.
44508094
no only if the other person gives up
It's not in any pack because it's not on 2010.
Revenge of the Fableds!!, Ruler of Chaos!!, Whirlwind of Dragunity!!, and Genex's Onslaught!!
Blue-Eyes Ultimate Dragon appears as a Super Rare card in the "World Championship Edition 3" booster pack.
As of right now there is only one, which is "Yugioh 5D's World Championship 2010: Reverse of Arcadia". However, later this year a game called Yugioh 5D's Duel Transer will come out for the Wii.