It's happened to many TCG enthusiasts, especially those who might be a little uncoordinated or who have played with younger Pokmon fans
This specific card, described as the Holy Grail of Pokmon, was for a long time thought to be the only PSA 9 to exist, submitted by Pratte himself after he added it to his collection in 2011
At carton level (12 boxes at ~$1,200), Japanese opening data suggests roughly 23 SA pulls total, with 50/50 split between Mewtwo V SA and Conkeldurr V SA
These are the earliest sets printed during the Wizards of the Coast (WotC) era, alongside the first wave of early EX sets that many collectors treat as vintage-adjacent
It only cares about enchantments entering the battlefield, which is a huge advantage
This common creature is very playable in a lot of formats including Pauper, Pioneer, and Modern