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Theyre back now, even if theyre at rare, and come in prices ranging from $11 to $24.96, with Emerald Medallion as the cheapest and the rest at similar prices at the higher end of the price range

As you keep doing this, you will get a lot of deck capacity

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

Trainer's Pokemon Break into Battle

Simply being a promo card creates a certain level of collector demand

Signed by Takumi Akabane one of the founding fathers of Pokmon this particular example has an estimated value of $550,000 to $650,000