I have a hunch these two are related in some way, i.e. I am starting to doubt that the generic Event, Unit - Starts the Effect of an Ability, is not just about proccing the Ability's mana cost and cooldown stuff.
But maybe instead the Even procs when the Ability starts to create one of its...
🔨 Hive's 3D Viewer has been updated! 🔨 It now supports MDX1100 which should fix a lot of issues when viewing HD models in our 3D Viewer. We encourage you to check it out for yourself and report any issues you find in the Site Discussion board.