For example, cards could be printed that check for number of Books you have in play
Card condition (grading) A card in mint condition, fresh from a booster pack, will hold far more value than one that's scratched or bent
As the chain builds, card effects do not resolve until both players agree they are done adding to it, at which point each effect in the chain resolves in backwards order, so the last card played is the first to resolve
If you have any concerns about receiving a resealed or compromised pack from us, we encourage you to either: Avoid purchasing entirely, or Opt for sealed products instead
This is to get that one final kick to end the game
Even more concerningly, theres no guarantee of finding a rare card either, which is intended to keep the costs of printing the packs down