Can I Stupefy my unit then Gust it before Void Seeker resolves?

My 4-Might unit is targeted by Void Seeker. I respond with Stupefy on my own unit to reduce it to 3 Might, let that resolve, then use Gust to return it to my hand before Void Seeker kills it.

Is there a priority window between Stupefy resolving and Void Seeker resolving?