Sai

Sai, Master Thopterist is a legendary human artificer, from Kaladesh.

History
On the plane of Kaladesh, the finest artisans strive to mimic life in their construct creations. Sai has mastered the art of making thopters: flying automatons that range in size from eagles to butterflies. His smallest creations are his favorite, but the larger insures that he suffers no interruptions while he's working.