IDK about other players but when I play rift I'd like to see who ever on my teammate has the spark highlighted or some sort of arrow pointing at them or something so I know where they are if I am not by them. If you go with the glow make it so that teammates can see them through walls and the glow changes colors the closer the person is to scoring (example: if they are way by team spawn with the spark they are glowing red and if they are about to score gold or green. Idk