These cards are so sought-after because of their rarity, so a collector having multiple thousands of the rarest in perfect condition from a single set (and a set which, as we'll come to, has its own controversy over the rare cards) was bound to raise some eyebrows: And sure enough, it did
Some consider these error cards
Yes, that is also the main disadvantage to getting card advantage through drawing cards and yes, discard is also weakened by diminishing returns which card draw isn't, I am not comparing discard to card draw as a way towards card advantage, just stating the facts about cards in isolation
The set also introduced the first secret card in the form of Dark Raichu
card, which he was able to do when the charity connected him with 4Kids Entertainment