They are EX Ruby and Sapphire, EX Sandstorm, and EX Dragon
The HeartGold & SoulSilver set also featured flashy things like Pokemon Prime and Pokemon LEGEND cards
All too often, get rid of the Reserved List! becomes a proxy argument for Magic is too expensive and I want to be able to be able to play it for a much cheaper cost! Im super amenable to that argument, and I think that its worth having, but its an entirely different discussion
It's no surprise, however, considering the holo card of this Pokmon from the original Shadowless Base set from 1999 sold for $599,999.99 on eBay
In January 2021, this Topsun card sold for just shy of $500,000, making it more valuable than almost every single official Pokmon card ever printed