It cant be the target of Tenacious Tomeseekers triggered ability (return target instant or sorcery card from your graveyard to your hand)
Custom products generally go through the following process: design (1 day), production (11-15 days), transportation (3-30 days), and customs clearance (1-3 days)
Heck, another set of pocket monster cards sold for $100,000 at auction, which just goes to show how much collectors are willing to fork over for ownership of rare trading cards
Crown Kings Mystery Packs are randomly assembled and do not guarantee any specific card, player, grade, or manufacturer
This one relies on Special summoning Dragon-type monsters en masse thanks to its key cards (especially Red-Eyes Darkness Metal Dragon), while also setting up the hand and Deck in order to summon enormous Dragon-type Fusion monsters, especially Five-Headed Dragon, which has 5000 ATK and DEF, the highest values that can ever be on a card