Considering it only costs one mana and has two toughness, it's no surprise it is worthy of its value when combined with foil, retro borders, and is only one of 500.
Unglued card
Keep in mind that this total doesnt really answer the big how many different Pokmon cards are there because it only applies to English-language sets other languages, like the Japanese Hot Air Arena set, arent part of this count
However, there are a few other cards that deserve to be highlighted
Theyre both integral additions to aristocrat decks
Miller was reportedly responsible for creating Ikorrs theme, gameplay mechanics and a demonstration deck, with the Work for Hire Agreement Miller had allegedly signed stating that all of the products, works, concepts, trade secrets and intellectual property developed by Upper Deck and Miller to create Rush of Ikorr belonged solely to Upper Deck