The difficulty in finding these in near-mint condition today is a major price driver, most were pulled by young fans in an era before pack-to-sleeved grading culture was common
Kaalia of the Vast was a card I built around when she came out in 2011 and shes had more than one special printing
Those are Shining Charizard, Shining Mewtwo, and Shining Raichu cards
When this set was early into release, there was a massive discrepancy between the Japanese version and the English version in a PSA 10, being $400 and $100 respectively
Cartagena, alongside the art and worldbuilding team, stressed their goal of representing as much of Latin American in this set as possible through their depictions of the gods, ancestor worship, food, dress and even how the Oltecs worship