Your local Pokmon League may permit the use of proxies during open play for testing purposes, but in all other instances, proxies should be treated exactly the same as other fake cards
If you have just caught a Pokmon or click on it in the collection, you just need to click on the menu at the bottom right (the three lines where the rating and sending options are)
In practical terms, that means Burn and Zoo and Affinity are hard matchups, and tempo decks like Merfolk or Bant-flavored aggro builds are nearly impossible to beat
See our full fake detection guide
Buying and Selling Raw Cards One strategy that experienced collectors use is buying raw cards, meaning ungraded cards, that they believe are in condition good enough to grade out at a high level, submitting them for grading, and selling the resulting graded card at a premium
It uses loads of self-mill to put multi-typed cards in the graveyard, after which you can use your reanimation effects to bring back your game-enders