An idea: Shield over time
So with many people on the boards saying how assassin's are incapable of killing an ADC, which I personally find pretty true.
Most of these Assassin's don't like how Janna Shield, Lulu Shield, Ivern Shield, Karma Shield, or a
shield along combined with
make it nigh impossible to assassinate someone.
So I was thinking, what about a shield over time? A temporary health bar that gives a shield that gives the temporary health over time. I think that a problem that assassins have with shields is that they are almost instant cast and point and click, while negating tons of damage. But with a shield that gives 80 health of shield per second over 5 seconds, well focused burst could kill an ADC, while ignoring the shield over time will result with the ADC having 400 health in extra health. The advantage over healing is of course that it is not negated by Grievous Wounds.