While some of them, such as some of the rare Pikachu cards, are very clearly going to be worth a pretty penny
Pokmon Tournament Rules Handbook states that Cards that have undergone post-production alteration, [including] autographs, artwork, or other such amendments to the surface of the card, not including any official stamps applied by TPCi [are disallowed]. Like altered cards, damaged cards are also not legal for tournament play if their damage is substantial enough to potentially be visible during play
A creature that's a copy of either has a mana value of 0
I probably wasted thousands on Pokemon and Magic cards
Fans of the Trading Card Game (TCG) from Ravensburger can start or grow their collection with a new Starter Deck, Disney100 Gift Set, booster packs, and accessories featuring Raya, Beast, Winnie the Pooh and more
It can attract customers attention, and increase the chances of impulse purchases