If it's a card of the chosen type, you may reveal it and put it into your hand
Perhaps Jet Medallion in Coffers
Rares and mythics have a hard time maintaining much value, since they are illegal for tournament play (and are probably barred by many casual playgroups as well)
Pokmon Facebook Groups are a great way to connect with those interested in Pokmon cards, and there are no listing fees but you would be dealing with people on your own and handling everything yourself
Popular Pokmon or Chase Cards Some Pokmon, like Charizard or Pikachu, tend to have consistently high value in the market
Card Set(s) -The Azure Seas Seven- [OP-14] CARD VIEW OP14-098 | C | EVENT Crescent Cutlass Block Icon 4 Type Impel Down/Former Baroque Works Effect [Main] If there is a Character with a cost of 0 or with a cost of 8 or more, all of your Characters with a type including "Baroque Works" gain +3 cost until the end of your opponent's next End Phase