pokemon cards with binder Ultra Pro Trading Card Game Premium Green 4-Pocket Snap Each binder features a padded 4 Pokemon Mini Album Binders

If a player were fortunate enough to make it far enough through the competition to finish in second place overall, he or she would receive this number two trainer card

IIRC in Yugioh there is only a certain number of Blue-Eyes (from the show?), so you could put a rule on the card 'there may only be X Blue-Eyes on the battlefield at any time', Star Wars CCG used to have permanents that you could have 2 or 3 copies of in play, in addition to stuff you could only have 1 of, the concept would work fine here too, only this could care about both players' boards

But age isnt the only thing setting it apart

You need to pick one and design your deck with the aim of making it as consistent and powerful as possible