Price-to-performance value: The best card sleeves aren't always the most expensive, but the cheapest options can cost you more if they scuff a high-value card
In it, Charizard's wings are green, and the frame is without a shadow
Beyond that it's mostly generic upgrades like Smothering Tithe, Teferi's Protection, better land upgrades, better removal, the usual
It's actually two cards, that combine to form a single card with the standard M:TG monster, representing you summoning a 99/99 Big Furry Monster that also requires you to pay a frick-ton of black mana, and can only exist if both card sits no the board, because it's such a big furry giant-thing
So, if you want a particular number or Doctor for your collection, you can always wait until it shows up on the secondary market and buy it
In addition to exclusive promo cards and accessories, subscribers also get to open one extra card pack per day, for a total of 15 cards