This is a test map showing the Custom UI limitation. If only we could get Blizzard to add the functionality to initiate targeted abilities from triggers, then Custom UI's would be much more feasible. In the example I am using mouse move tracking to try and create a 3D splat (similar to what you normally get when casting a targeted ability from the command card). In single player testing it works okay, but online it's just not usable due to latency. In one of my released maps I was previously...
