The retail version will also include fifteen cards: fourteen from the main set and one of 121 possible foil cards. The foil cards are cards not found in the main set (yes, above and beyond the 1,694 already in there), making the Draft experience even more repeatable. Plus, someone told me the foil sheet has some pretty exciting stuff on it. But shhhh. You didn’t hear it from me.
Here’s some of the magic that makes Mystery Booster so unique. Each of the 14 boosters slots from the main set of 1,694 cards has its own sheet of 121 possible cards. That means you could do an entire draft and not see the same card twice!
Cards in Mystery Booster will have the original set symbols and numbering of one of their printings. The only difference? A little Planeswalker symbol in the lower left corner. Like this: