cinderace pokemon card price V (full Art) Holo Rebel Clash 178/192 (custom | Proxy) Fire Rarity Cinderace V - Rebel Clash

I think that's kind of an anomaly

These decks are the best at exploiting the legendary artifact, by either bouncing it with Teferi, Time Raveler, grabbing it from the sideboard with Karn, the Great Creator, combining it with a huge number of free pitch spells, and/or looping multiple copies with Emry, Lurker of the Loch

For example, Wild-Field Scarecrow is a great Delirium enabler, as it is both an artifact and creature

You dont have to buy booster pack after booster pack hoping you pull the card you need

Rare cards can often go for lower prices in auction-style listings, especially if the bidding competition is low