Most of the time, basic tests can be carried out to see if a card is counterfeit or of questionable origin but sometimes a card warrants extra inspection
Pokemon Card Template FAQ Questions about Pokemon card templates and customization What Pokemon card templates are available
Dominaria United (DMU) 453 cards Released 2022-09-09 $1,196.51 552.15 26.65 TIX In Boosters 281 cards Jumpstart Cards 5 cards Showcase Cards 44 cards Textured Foil Cards 41 cards Borderless Planeswalkers 5 cards Alternate-Art Borderless Cards 6 cards Extended Art Cards 45 cards Buy-a-Box 1 card Set Extensions 2 cards Promos 6 cards Alchemy Cards 17 cards The orcs banner sends a clear message: You've reached the end of this search. Dominaria United (DMU) 453 cards Released 2022-09-09 $1,196.51 552.15 26.65 TIX
Its the digital equivalent of binder-flexing at a local game store, scaled to millions
Use Wonder Pick to get cards that other players pulled
I'd recommend using resources like TCGPlayer to find the market average, and then try to find listings below that, so you're at least paying cheaper than you might be