Yasuo and Zed are my banes. Please list champions/methods that can help me hold my own against them

The unpopular answer would be: Play them and realise what makes you annoyed when you play them.

works vs both

You can play him ap or ad as you prefer, make sure to get dft on ad malz so your spells still do tons of damage

If you play blind pick you're not really gonna ever see it coming but Diana and Fizz have always been good for me vs those two. First is definitely better imo. Anytime you land Q they have to back unless he gets a bunch of MR.

Morgana, Malphite, Annie, Chogath, Malzahar

Lissandra is very strong against Yasuo. Leblanc does fairly well against zed, and so does fizz.

ez champion you can pick up quickly, press r for free kills in lane

I play morgana vs yasuo and lux vs zed.