Taishiar

Taishiar was a planeswalker, a recorder, and a far-seer.

Mezlok's Challenge
Mezlok, under the guidance of Taishiar, hoped to compete in a contest of mages on Mirrankkar. Due to a run-in with a rival on Obsidias, they arrived the day before the contest and had only that day to find a city or town that would accept him to duel for them.

Planeswalkers met

 * Mezlok

Trivia

 * Taishiar's race appears to be a sort of bipedal tailless griffin.