For the full list of cards from this set, see: here.
Worldwalker is the sixth set of cards released. It introduced Runeterra champions to the game as well as the Path of Champions 2.0.
Worldwalker features the release of the Path of Champions 2.0 and 67 new collectible cards for existing regions, with a focus on Bilgewater and Noxus and their new champions: 1Annie and 4Illaoi as well as the Runeterran champions: 4Bard and 4Jhin. It also introduces the Boon, Origin, and Spawn mechanics to the game.