Nickelodeon has greenlit an animated series set in the world of its beloved Avatar: The Last Airbender. The new show, titled Avatar: Seven Havens, has a 26-episode order and will follow a new Avatar. The series will be the third in the Avatar -verse, following the original show and The Legend of Korra .

The trailer features the MTG logo doing some impressive airbending, with the familiar sounds of the show’s original opening in the background. And the caption understood the assignment, as it begins with the well-known line “Long ago, the four nations lived in harmony, but everything changed when the Fire Nation attacked.”

Get the first official details on the next Avatar. The next generation's Avatar has awakened, and she's an earthbender.For the 20th anniversary of Nickelodeon's Avatar: The Last Airbender, the network revealed the first official details on the next animated sequel series,