The most valuable sealed items trace back to the same early sets that produced the record-setting singles
Instead, they evolve directly from regular Pokemon cards, much like a normal Pokemon ex does
In fact, the addition of the hologram to Magic cards in Magic 2015 was at least in part an effort to cut down on the flood of counterfeit cards coming out of China by making it more difficult for people to make fake cards
You also can't make any choices or decisions for the player that would be called for by the tournament rules (such as whether to take an intentional draw or whether to call a judge)
Single rare Pokmon cards have also fetched large amounts of money in the past, including a first-edition shiny Charizard card - which was holographic and shadowless - that was sold at an auction for $264,000 (197,000), alongside an incredibly rare Pokmon card signed by the president of The Pokmon Company, Tsunekazu Ishihara, that went for almost $250,000 (187,000)
Tier 2 Strong ($30-50) Yamato and Teach benefit from strong fan followings and competitive deck associations