Hello I am little bit new player. I play from february season 10. I am sort of one trick lux player and I love her kit you can lane bully with E and cheap shot. In late game you can one shot carry or support, like soraka to help team. I am silver, soo you dont have to listen to my guide, but you should try it :) . And I dont have it pretty, but it still can be helpful :) .

You should getting cs only with AA in start. When you have lost chapter you can start more bully with E and getting CS with E even in middle of the lane, not only under turret. You should use your passive to easier last hitting ( you have really big damage against minions with it). You dont have to room against some roaming champs like katarina. You should roam to dragon or to get double kill on bot, but only if you have good vision on river, because you are really squishy and immobile, soo you can give them kill very easy, if they hide in bush.

You can try taking objectives from enemy with your R because you have really fast cooldown. You should try to help team but still farming and doing damage.

Now you should have 18 seconds utlimate you can almost spam it so make it useful. You should have plenty of damage. In teamfights focus on squishy target like adc or support and try to kill them and then help with another targets, you should have 40% cooldown reduction, soo it wont be hard to spam enemies by spells.

I would be happy if this help. I am new to this guides and my english isnt very good. You should be the one who have almost most damage from team. If you think lich bane is good, because your passive, you aren't too bad, but lux should stay away from enemy, because many enemies kill you in few seconds.