In Pokmon GO and other games, a Shiny Eevee can evolve into different forms such as Radiant Vaporeon, Radiant Flareon, etc., but with color variations in their shiny form
The proxy community uses it because you can print poker-size game cards on stocks like S33
On top of that, unlike the majority of promotional cards that are printed as holofoils, this one isnt shiny at all
Looking to take the scenic route

PSA submission queues for Mewtwo ex SIR were backed up within the first week PokeBeach forums noted the Rocket theme elevated engagement versus Journey Together (sv9) threads on deck-building with Rocket's Mewtwo ex attracted competitive and collector overlap March 2026 value watch shows Team Rocket's Mewtwo ex SIR at $484-537, Cynthia's Garchomp ex SIR at $193-278, Ethan's Ho-Oh ex SIR at $143-226 top three SIRs all appreciating modestly month-over-month Tips from the Community Buy Team Rocket's Mewtwo ex SIR directly at 1 in 1,033 odds for a specific SIR, pack gambling to hit a single $500+ card is a losing proposition even with two booster boxes Prioritize the SIR tier first when budgeting: six of the eleven SIRs sit above $33 each, and the top three (Mewtwo, Garchomp, Ho-Oh) alone account for $700-1,000 of a master set's total cost Grade Team Rocket's Mewtwo ex SIR immediately if you pull a pristine copy PSA 10 population is growing but the raw-to-graded premium has held at 2x+ since launch

This is why many kids growing up had the playground rule, where you could simply use any card at any time you needed it