“Don't try the paranormal until you know what's normal.” - Granny Weatherwax
It is a Reanimate attack, so Tarha's heroic ability can't be applied.
Army of Death wrote:
[action]: Perform an attack with your Reanimate. This attack affects each monster in your line of sight, ignoring range; your Reanimate does not need line of sight to the affected monsters but does need to be on the map.