Kelogsloops has an iconic style, one that has since become a part of the canon of Magic artists
The value of a Pokmon card is influenced by rarity, condition, print run, and demand
For starters, its indestructible, which is great against artifact-breaking Red decks
During the end step, you can't perform actions at sorcery speed like playing a land, casting a sorcery, or casting non-flash creatures (unless there's some effect in play, like Teferi, Mage of Zhalfir, that gives some of your cards flash)
One online card store wed particularly recommend is TCGplayer, as they even separate these treatments into different sections on their website
I believe sixteen years is long enough to power creep a card, though