Once you control both cards, they 'meld', flipping over and combining to become a third card - the oversized Urza, Planeswalker
Magnetic closure rigid box These are a little more robust than the basic box, with a hinged lid and a flap which closes with an inserted magnet fastening
Recovery Items allow you to get crucial Pokmon or Energy back from the discard pile, enabling you to endure long games
With the crazy amounts these cards have been selling, people are most likely looking around their homes for a possible First Edition "Pokemon" card, or even a complete set of these old cards, whether they contained rare cards or not
Pretty hand if you ask me
It is a singular card with a singular story, and its population reflects that uniqueness