topps pokemon cards price guide Card Check before you invest! | Which side are you choosing, but why? and American and Japanese battle figures. 13 Most Valuable Topps Pokémon

All you need is to own enough to win the game, which will cause this card's price to rise

They also have a lively Discord server where you can talk with the Rules Committee and the Commander Advisory Group and get help and tips

Psychic Corrosion | Illustration by Bastien L

Scryfall is perfect for finding exactly what you want, but you actually need to know what kind of card you want for it to work well

Now, a simple solution here would be for WotC to renege on allowing the cards to be playable in official formats either by rule or by printing them in silver border (the latter of which probably can't be accomplished as some of the cards may already have been printed at this point)

The exchange will only end once Exchange of Words is no longer on the battlefield