If it is the Monster World thing, then this would be a good chance to introduce Ryou Bakura (the non-Yami) to duel links. But I think Konami forgot that he exists...
Dark Master - Zorc is already in the game. Bakura used it in his level 50 deck during his gate events. Zorc was leaked as an NPC for the Monster World RPG.
Xenon
Anoymous
