In the Duels of the Planeswalkers 2013 Expansion, enjoy five new playable decks whose colors correspond to the guilds in Return to Ravnica, five new puzzling challenges, and ten new single-player campaign levels. Put your spell-slinging skills to the test and try to defeat the guilds and unlock their new decks!
-Five new playable decks: Take on your opponents with new two-color decks that correspond to the Azorius, Golgari, Izzet, Rakdos, and Selesnya guilds.
-New campaign levels: The expansion adds on five new single-player campaign levels and five single-player revenge campaign levels.
-Five new challenges: New puzzles for you to solve.
Plus even more: Ten new persona portraits to unlock, new achievements, and more!
Source: The Publisher Website.