Note: All credit regarding this information leak goes to XOF.
Among these, are cards owned by the protagonist Jaden Yuki and other prominent characters such as Aster Phoenix, Chazz Princeton, Alexis Rhodes and Bastion Misawa, meaning that they might be the first unlockable characters once GX is added. The datamine also shows the rarity of some cards and how duelists could get them.
Zane is a powerful duelist from GX series, his deck is themed around Cyber Dragon and it's other forms and fusions, his deck then centered around both Cyber Dragon and Cyberdark later on in the series.
Also arc V introduced good cards, although the anime itself was moronic and lazy. yuya just "action card" everything to get out of situations. That's just lazy script writing for writers who can't be bothered coming up with original ideas for their duels.
But arc v did introduce alot of good cards/archtypes.
Like what? All his anime-exclusive cards are garbage. The last couple of decent ones (Litmus Doom Swordsman and Living Fossil) just got released in the TCG/OCG. His best card that remains anime-exclusive is Plasma Warrior Eitom, which is just a much, much worse Anki.