There are cards worth thousands, for example, but there are also cards worth millions, from wild serialized, one-of-a-kind prints like The One Ring (famously purchased by Post Malone) to cards like Time Walk, which were so powerful theyve been banned
therefore a proxy of a 1st Edition Charizard for $4 interferes with Nintendos ability to sell authentic 1st Edition Charizards in literally NO WAY because Nintendo will never sell a 1st Edition Charizard ever again its hard to determine if proxies strengthen or dilute the perception of the game but it might be argued that its a positive consequence of the actual high value the cards hold on the secondary market So because proxies serve a niche, and many proxies are of cards that the original game producers will NEVER reproduce ever again, the fact that it uses authentic artwork might not be enough for the original game producers to jump into action
You'll also be able to find every card in the Commander decks, apart from the plane cards, in traditional foil in Magic: The Gathering Doctor Who Collector Boosters
Collectors who focus on hidden OCG grails often prioritize cards like this because they rarely appear in public marketplaces
Let's say a player plays a game and never draws his awesome Dragon
You can only use each of the [2] [3] effects of this card once per turn