Regardless, Mewtwo EX defined the TCG's meta when it was top of the pile, and has become something of the poster boy for the best Pokmon cards
During that promotion, McDonalds and The Pokemon Company took active measures to stop that from happening, by preventing employees from selling the toys outside of a Happy Meal, and increasing the supply to meet the high demand
They create value fast, fit into many decks, and stay relevant even years after printing
Because Urzas Saga sees play across a bunch of formats, including Commander, its unlikely the card will be cheap for some time
Target in particular has faced increasingly aggressive customers, and instances of violence have forced the company to stop selling them in stores for the foreseeable future
It's hard to make Pikachu look fresh and new, but Surging Sparks' SIR managed to deliver a cute Pokmon with a prismatic crown and swirling gems around it