Set includes:
Teferi, Kresh, Progenitus, Doran, Kiki, Sun Quan, CAo CAo, Sisay, Omnath, Oona, Rafiq, Sharuum Ulamog Visara, and the new card from Innistrad, Mikaeus, the Lunarch.
A few have new art, though I will mention that I like Kiki-Jikis old art better. Probly will look cool shiny though.
http://www.wizards.com/Magic/Magazine/Article.aspx?x=mtg%2Fdaily%2Farcana%2F774