Not A Bug Blue spell still targets permanent after Veil of summer

[Irgaron]

Game ID

907925210

My opponent cast a Sink Into Stupor targeting my Chrome mox after I had a resolved Veil of summer, rendering my Infernal tutor useless

 

[Torbin]

Per QA Team
Tag applied: Not A Bug

Veil of Summer will apply it's effect on permanents already on the battlefield. Since Chrome Mox was cast after Veil of Summer, it does not have Hexproof from blue and black.