Sure, the shiny Mew helps, but the real star here is the art style
The non-foil card is a Legend Membership promo (basically the original Player Rewards), and although it is extremely rare, its not as expensive as the judge foil version
Add a Training Grounds into the mix, and the value generated is absolutely ridiculous
His original goal was to write a scary manga that the action loving readers of Jump could get into
Blade Blaster X EARTH Level 10 [ MachineSynchroEffect ] ATK 3300 DEF 2200 1 Tuner Synchro Monster + 1 or more non-Tuner Synchro Monsters During either player's turn, when your opponent activates a Spell/Trap Card that targets this face-up card: You can send 1 card from your hand to the Graveyard
As usual, TPCi will be releasing its annual line of "Back to School" products for the Pokemon TCG