A new PBE preview is now on Riot social media, showing off new Dragonmancer skins for Karma, Kai’Sa, Thresh, Volibear + Prestige, Yasuo (Dream & Truth), and Victorious Blitzcrank!
Combined art and splash arts were also showed off on social media (still missing Dragonmancer Karma):
Lagoon Dragon Kai’Sa
Steel Dragon Thresh
Duality Dragon Volibear
Duality Dragon Volibear Prestige Edition
Dream Dragon Yasuo
Truth Dragon Yasuo