Hajar can be that Commander, and at such a cheap initial cost to play, means you have no qualms about dropping Blasphemous Act, Chain Reaction et al to clear the way for your legends to connect
This generated a Willy Wonka style chase that ended when the card was sold to superstar Post Malone for reportedly over $2 million
Last year, we reported on a company that you can pay to x-ray card packs, with other stories including a break in at a YouTuber's grading store and some graded prototype trading cards potentially being fake
We would recommend unlocking each deck just to get a feel for them and add them all to your collection, but if you want to jump straight into battles with real opponents, focus on the Black & White: Basic Blue, Red and Green decks as they give you a bunch of handy trainer cards for building your own deck
It gets complicated because of the different editions and versions, but well break it down as easily as possible