Game Rant

The secret of the Mystery Booster: Convention Edition pack has finally been revealed. 1 / 9

They are 15-card booster packs that contain cards from across the history of Magic. 2 / 9

These cards can go at least as far back as Mirage, and there are some desirable reprints included. 3 / 9

There is also some added spice, as each pack contains a special playtest card. 4 / 9

Playtest cards have never been released before, and they feature hitherto unseen mechanics. 5 / 9

Mystery Boosters can thus be used to setup what is essentially a Chaos Draft. 6 / 9

Chaos Draft is a limited format where players build decks from a mishmash of booster packs. 7 / 9

The playtest cards will make the limited environment even more chaotic. 8 / 9

It is important to note that playtest cards will not be available in the retail Mystery Boosters. 9 / 9