Well the unit itself is a summonable sacred ethereal fireshielded non-living thingy with nasty close attack...
Not much HP though.
But good to know that it would work. I'll proceed with my project. Coming next: the amazing transformation of Ulmish units. The Master Alchemists drank too much mercury and got replaced with the Sky Smith. Yay!
How do you define how much pretender costs in points?