From the video description:
The legend continues with Magic: The Gathering | Avatar: The Last Airbender! It’s been 20 years since Aang was freed from the iceberg and it’s time to relive the journey to master the elements. Start your bending adventure and meet multiple incarnations of your favorite characters in special treatments and iconic moments.
Preorder Now – http://mtg.social/atla
Play Early at Your Local Game Store – Nov 14
In Stores Everywhere – Nov 21
Edit: Looks like they have a video up now discussing some of the cards and new ideas in this set:
Apologies if this is off topic (I dunno anything about MTG), but I’m glad Paramount is licensing Avatar out.
It means they’re interested in it. They kinda sat on it in cold storage after LoK, so this is great.