Much like the coveted 'shining' variants from Neo Destiny, other shiny Pokemon forms appear as rare inserts in select sets, like Hidden Fates
Japanese collectors also exist, many will knowingly have a copy and it will be sitting in a binder, maybe way more have a copy (or thrown one out) without realizing the significance
Its menace ability will generally be relevant in the aftermath of sweeping the battlefield, and being a creature means its often quite easy to bring back and get its effect again when needed
Lots of players like to build decks around the nephilim, and this card is essentially an endorsement of that idea
The centerpiece of the promotion was a series of cards reimagining famous Pokemon as subjects of Van Gogh paintings, and the most coveted of all was the Pikachu with Grey Felt Hat promo, which depicted Pikachu in the style of Vincent van Gogh's iconic self-portrait complete with the trademark grey felt hat, bandaged ear, and impressionist brushwork
Pokmon Jungle was first released in Japan on March 5, 1997