Dive into the first Masters set designed exclusively for Commander players. You're guaranteed two rares and/or mythics in each pack that include many long awaited new printings of cards like Fierce Guardianship, and Jeweled Lotus as well as format staples like Craterhoof Behemoth and Demonic Tutor.  

Each Set Booster contains
-Between 2-6 rares/mythic rares
-Minimum 1 foil card
-Between 1-4 full-art cards
-Minimum 2 Legendary Creatures