Buying this will get you an Zemdikar Rising Prerelease kit and 2 booster packs of Zendikar Rising for taking part also while stocks last comes with 1 Zendikar Rising set booster pack.
The Prerelease pack contains:
6 Zendikar Rising Draft Boosters
1 foil promo-stamped rare or mythic rare from Zendikar Rising
1 Spindown life counter
1 MTG Arena code card