Notably, it doesn't include additional turns taken in tournaments after time expires for a round
I believe Mew is desired heavily because this set directly relates with the original gameboy games and many people remember the secret mew in games and it is nostalgic for them
A couple of normal versions maintained a value over $10 USD while serialized Praetor variants were still priced above $1,000
It is not surprising, therefore, that Charizard cards are particularly sought-after, with the prized 1st edition Charizard from the base set among the most collectible and expensive of all Pokmon cards
Graded Population Report: Miraidon #3 Visualize the distrbution of grades in the chart
So much so, that I think they risk hastening power creep by making the cards too competitively costed, and outmoding other options