Nowadays is common on OCG do special events similar to our Sneeks, where Konami staffers uses specifics Decks. In this case Zefra\Sephira. We can also see the last 2 of them: Wen (Note she got free not beign anymore El Shaddoll Wendigo) and a new "tellar" monster.

[OCG]Zefra\Sephira Artworks 862c49fb-s