Dont listen to people like that ^ xayah xayah lmao, as a ADC main aswell for maybe 7 years id say it depends on what rank youre playing at. What did you main in the past? For the new runes im a returning player for it aswell but atm i feel like if i go for full lategame carrys i pick that rune that gives me +100hp and -10% damage for the first 10 mins. and free biscuits.
Honestly tho, if youre just looking to climbe easy pz pick tristana, very strong