In my experience, packs have one common card of each of the six ink colors, and more cells let you separate cards of higher rarity by color as well
The big one is Typecycling, which lets you search your library for a specific card type and add it to your hand instead of drawing a card as normal
Its more than just a collectors piece too, its a powerful piece of equipment in its own right
Split the Spoils is actually really sweet considering the pile that isnt chosen doesnt remain in exile its fairly risk free
The basic or common land slot sometimes has a chance of being foil
In fact, we think that, despite the size of the decks, learning how to play Commander is the best starting point for people looking to play MTG with more players