Quote from lookingupanddown »
Hey, it's Rem Karolus, Slayer of [whatever Innistrad is infested with at the moment]. I could see him helping out in Jeskai control mirrors (if any), or just anything involving Boros and spellslinging. He could act as a little boost to Firesong and Sunspeaker decks in the 99.
Source is Mani Davoudi
This alt art looks like Sirius Black riding a Thestral with a crane’s head.