pokemon gym heroes booster pack Box [1st Edition] - Gym Heroes Mewtwo among others Pokemon 1st Edition Gym Heroes

A Little History If you only care about the finance portion of this article, feel free to skip this section

It also drives up the cards rarity

The Master's Key was originally handed out to contestants at the 2010 Pokemon World Championships

Carefully packaged using a card sleeve and a top loader

Mew VMAX (Lost Origin) PSA 10: ~15 / ~$16 Mew is a cult mythical Pokemon, present in the franchise since the very first generation

Nowadays, there are multiple other answers just as efficient as Fatal Push like Prismatic Ending and Unholy Heat, and the card has been slowly replaced with these alternatives as they are just more versatile