The cards high value is driven by its rarity, Ken Sugimori artwork, and nostalgic valueRaichu is an evolved form of Pikachu, a beloved character in the Pokemon games and animated series
Of course, the vibrant, beautifully colorful artwork is a bonus, and its easy to see why this particular Art Rare variant of the card makes it to the most wanted Battle Partners card list
The real danger comes from how repeatable proliferate can get
Asmodeus the Archfiend Auntie Blyte, Bad Influence Henzie "Toolbox" Torre Jalum Grifter Lorcan, Warlock Collector Mahadi, Emporium Master Raphael, Fiendish Savior The Beamtown Bullies Zurzoth, Chaos Rider
Card not found is sometimes seen in various sacrfice decks (or more colloqually, Cat-Oven decks), Evelyn is often the top end of vampire decks and Card not found sees some amount of play in Modern, but not really in other formats, weirdly enough
The 1st Edition Base Set Mewtwo holo is, simply put, the definitive Mewtwo card, the most valuable printing of one of the most important Pokemon ever created, and its place at the top of this list was never seriously in question
