how to check the pokemon card value Finder & Price Checker Best site for card values?

GameStop customer sets single trade-in record with $30K Pokmon card A GameStop customer cashed in big time after trading a Pokmon card for over $30,000 in a historic deal

PRODUCT HIGHLIGHTS Featuring foil versions of key characters: Atreus, Kratos, Freya, and Iroas, enhancing collector appeal

The card is professionally printed on high-quality cardstock, featuring a classic, non-holographic finish

Tyrantrum [Holo] #45 (Pokemon Perfect Order | Pokemon Cards) prices are based on the historic sales

Ill do my best to speculate with Streets of New Capenna cards I havent interacted with and go over what I think each commander does (and doesnt do) best