As much as the rules and structure of the format, individual cards tell the story of Commander
On top of that, if this card ends up being the mandatory engine that makes the new Mega Evolution decks work, players and collectors are going to be fighting over copies
Looking at it now, Psychic Allergy is one of those arts that you can hear, and what you hear is ehhhhhhhhh. The reason many people have never seen/heard this card, however, is two-fold
The list was getting really long unfortunately
This was back before the franchise became heavily focused on card games
Shiny Pokmon are alternate color variations, sometimes being strikingly different, and other times the change is more subtle