L5R LCG: Breath of the Kami - Rules of Play says:

Harness the power of the Air with the Breath of the Kami Dynasty Pack for Legend of the Five Rings: The Card Game! Enter the Elemental Cycle with three copies of twenty-new cards focusing on the most ephemeral element. Explore new Shugenja and Spells revolving around the Air element, a new stronghold, and the first Mantis character to enter the game with Breath of the Kami.