professor's research pokemon card Sword and Shield #178 Listed cards may have imperfections. Most Valuable Professor's Research Cards

I think that to end up in this pair you need to be getting excellent cards quality in both these colors specifically, AND not have any good blue cards to slot in

Charleston Blvd #110, Las Vegas, NV 89146

6 Greninja ex: Gamestop Metal Card (Double Rare) $21.95 Carrying A Burden Even if you're already acquainted with where to find some of the best Greninja cards ever, you might not recognize this unusual metal card, which was distributed as a GameStop-exclusive promo card in their Greninja ex Premium Collection, which featured 16 packs along with this etched metal promo card

It's an over costed kill spell really, but I guess it's a meme thing and, yes there's probably some dumb combo but, meh