I got two of these boxes and at first I had my reservations. EVERY common was out of Scars of Mirrodin. At first, I wasn't pleased because I thought I would get a random assortment from all kinds of editions. I am a more casual player so I tend to like to play cards from all blocks, so I was disappointed at first. Also, there was a massive amount of duplication. There were only 101 unique common cards (not counting mana, and there was less than 100 mana total), so you can imagine the massive amount of duplication since there were 2000 cards. The rares were good and varied across different sets, including Mirrodin, Scourge, Champions/Betrayers of Kamigawa, so they were generally more recent, though not fit for Standard. Now, after some thought, I decided that these cards were pretty decent for making LOTS of infect decks that are playable in Standard, so it has inspired me to start playing some tournaments, so I have to say that I'm pretty excited about all of the possibilities for decks, but I wish that if the commons were all playable in Standard then so too would be the rares so at least I could make some powerful decks, but oh well. It all really seems like a gamble. A suggestion to the company would perhaps be that they should give you an option to choose something playable in Standard or Extended or Legacy or something so they know whether or not to send you a random assortment spanning all kinds of blocks or more recent blocks, because clearly someone put enough thought into these lots to make them solely Scars of Mirrodin. I'll probably buy some more lots in the future, I just wish the contents of the lots weren't so uncertain.