For example, Suicune Gold Stars Cross Wind attack costs three Water energy cards and reads, If you have less Prize cards left than your opponent, discard all Energy cards attached to all of your Pokmon. Entei Gold Star and Raikou Gold Star have attacks that have similar effects, discouraging collectors from using them in gameplay
The MTG Arena subreddit has frequent posts about Brawl and it can be a fine place to keep up with other formats and topics related to the client
Still, its hard to go wrong pulling such a versatile Commander card, especially if you enjoy building a variety of decks
It is much easier to appraise the value of a Pokemon card compared to appraising a baseball card for example
I think it is a testament to the players and their creative expression that every game of Commander I play is different, and always memorable
Conclusion By printing your own proxy cards you can gain access to cards you dont currently own, playtest your deck build and most importantly preserve your high value cards in friendly matches