Prime cards first appeared in the Pokmon TCG in HeartGold & SoulSilver and continued through HGSS Unleashed, HGSS Undaunted, and HGSS Triumphant
The value proposition lies in the ~3.86.2% chance of pulling a $984 Giratina V SA, the collector-grade artwork, and the sealed boxs appreciation trajectory
It also was in the Lure + Thicket Basilisk + Regeneration combo that was beloved back then too
PrintMTG, for example, sells individual Elden Ring-themed cards as singles so you can grab only the cards you want
#3 EX Deoxys Rayquaza Star, $961.46 It's kind of nice to see this card on the list for me, as EX Deoxys was one of the last sets I remember buying before going on a Pokmon TCG hiatus
They can also come packaged inside exclusive products like Elite Trainer Boxes, video games, tins, or other collectible bundles