Once you see what the card is online, you can either choose to have it shipped to you, sell it using GameStops platform and give GameStop a cut of the money, or, for whatever reason, have it stored for you in a climate-controlled secure facility in Delaware until you want it
Hes an alien who is stranded on earth and desperately wants to go home
He asks your opponent to have something very specific, like a "target opponent sacrifices" effect, a board wipe that gets around Regenerate, and/or a way to shrink him through toughness reduction
Its an effortless deck to master and hardly any trouble pulling off, and, not to mention, extremely feared even among the most seasoned TCG players
It became one of the most iconic and sought-after Trainer cards in modern Pokemon TCG history.