Archenemy: Nicol Bolas (E01)
Some cards from this set were spoiled today, looks like another variant on the horns.
![rzeggofc](https://cloud.githubusercontent.com/assets/769083/26804007/7043c15c-4a14-11e7-8ea9-5ce68774151f.png)

Note the set code is `E01` (with a zero, not an "oh")