Low Elo Mid lane suggestions (silver)

Hey yall.

So i love to play mid. And i tend to love the assassin style play. Tho I love zed. lets be honest, I just dont have the skill to pull him off properly. so i wanna see what the community thinks and maybe you can help me to pick 3 champs.

I wanna keep my champ pool small, i dont want to be a jack of all trades kindda player. I honestly want to be a 1 trick but have 2 champs just in case my main gets banned.

What im looking for.

1. Assassin - really love them, Amazing if played right. (and im working on that part lol)
2. Not the high skill capped Assassins (plz no zed/LB)
3. Prefer Ap assasins but happy to have an Ad just in case we for some reason are full ap team comp
4. Suggestion for my main (yes i wanna 1 trick it if possible)

Thank you all for your suggestions!