You get a demonic-looking elephant-thing with tons of extra tusks on it. I mean, do you really need to know more? Yes? Well... then head over through the link and check out some more of the cards coming in the Scholar of Ruins deck for Ashes Reborn that's coming soon.
From the article:
Welcome back, Ashes players!Our expedition with Rowan comes to a climactic conclusion this week, centered around card previews that provide inevitable doom as time draws to a close.