This Mason Lockwood fan-art might contain
signe, affiche, texte, tableau noir, tableau, affiches, rue, scène de ville, milieu urbain, ville, scène, urbain, cadre, mise en scène de rue, and brasserie.
Surprisingly, I found this clip about a flashback of Mason's first transformation, he typed it back then and Tyler is watching it on computer in this eposide.