When the type was introduced in Generation VI, Sylveon became its poster child
Similar to why 1st Ed base is considered the 1st set, as its true for English, but obviously there were prior Japanese releases
It can win you games you otherwise shouldn't have won and preys upon decks that need multiple support Pokemon to set up their board
The card was sold back in April 2022 for $324,000 at Fanatics Collect (formerly known as PWCC)
Finally, if you're targeting specific cards, buying singles directly from reputable sellers is often the most cost-effective route
Lion Sash I love this card in my Heliod, Sun-Crowned cEDH deck, but imagine how gross it would be if it also gained life like Scavenging Ooze