Each Magic: The Gathering | Avatar: The Last Airbender Play Booster box contains 30 Play Boosters, each of which contains the following:
 
14 Magic: The Gathering cards
7 Commons
In 1 out of every 26 Play Boosters, a common is replaced with a TLE card.
3 Uncommons
1 Wildcard of any rarity
1 Rare or mythic rare
1 Traditional foil card of any rarity
1 Land card
1 Non-foil DFC helper card or double-sided token