A booster box has 30 packs of 12 cards each, for a total of 360 cards (you of course will end up with some duplicates and lots of cards you still dont have, since cards have various rarities)
Like with Set and Collector Booster displays, every Draft Booster display comes with a special traditional foil Legends Retold Box Topper, where you can find one of 20 new legendary creatures inspired by Legends
Its artwork looks like a sketch drawn on an old map or journal, with a pirate ship visible in the background and a silver outline surrounding Captain Amelia to emphasize that it is a Steel ink card
I remember one time I was on one of the Disney cruises, and I had this great table full of grandmas
In fact, players will have to play all Standard games with Thalia, Heretic Cathar in mind, making sure to sequence lands in a specific order, which is already a nightmare with Shadow lands and Battle lands to worry about