You can activate its equip ability, but it won't become attached
The earlier sets in a new generation of the game are never the most desirable
But in Commander, especially casual Commander, well, theres more room for a little chaos, a little fun, a few surprises
Unfortunately, the most expensive Hyper Rare cards are constantly in flux, as they are often one of two cards in a set that features the given artwork, but changes the background
There are cards like Gengar ex that stop you from playing Supporters and attacks like Arbok's Corner that force your opponent's active Pokemon to stay on-field, but you need to have those cards active to make any use of them