The most rational approach for serious collectors is hybrid: rip a single Booster Box per major release for the experience and chance hits, and buy graded copies of the SIRs you actually want for your collection
Every couple of years, The Pokemon Company looks to expand what languages are printed to expand the TCG's reach to even more people
It has various currencies to give you a boost when building a collection
The Art of Double-Sleeving & Layering To construct a true fortress for your cards, professional players and high-end collectors deploy a multi-layered protection strategy
Weatherlight, its second incarnation from Neon Dynasty Commander , is a more conventional vehicle that still puts legendary Magic: The Gathering cards, Planeswalkers included, into the player's hand.
Related Another thing to love about the Pokemon 151 expansion (or not love, depending on how your bank balance is doing) is the sheer amount of potential chase cards included