Don't buff Tristana by buffing her E scaling.
Dont buff Tristana with additional damage to her E. This is a useless buff that doesn't actually help her; she doesn't need damage. She needs help with laning phase because you more or less triple nerfed her compared to the other crit ADCs; you nerfed her patches ago and then nerfed her again with all of the other ADCs. If you wanted to buff her, you should have reverted the nerfs you made specifically to her patches ago; these weren't damage nerfs but utility nerfs. You reduced her AA range both early and late. Change the range back and she would be fine.
As a Tristana main, just having 550 range again at level 1 would be way better than any damage buff to her E. She would be able to trade better with her fellow ADCs, especially since she doesn't have a skill that can poke(like cait or varus or lucian or even Kog) and she currently doesn't have the range either(like jinx and again kog do).
Her power curve always had her as a strong laner who was weak in midgame skirmishes but popped back up in late game teamfights. I dont know why you ever sought to change this; she's literally classified as an ADC Assassin.
