My biggest piece of advice is to guard yourself against overvaluing your cards and/or overvaluing a card youre interested in purchasing
Same for cards that are difficult to shuffle or difficult for the opponent to read
Also, the actual cost of this blue instant is only 3 mana, which makes it much easier than other free counters to just cast straight up
Brick-and-mortar retailers Major chains like Target, Walmart, GameStop and Barnes & Noble (in the US) or Cultura, Micromania and Fnac (in Europe) regularly stock sealed Pokemon products
CardMill now supports Magic: The Gathering, Pokmon, Yu-Gi-Oh!, Lorcana, Flesh and Blood, Star Wars Unlimited, One Piece, and Sorcery: Contested Realm
One of them can even be used for protection, reactively, and then well get the value flicker on the Rebound