Champion Pool Low Elo

Well. I've been a player who play almost everyday and i've been silver elo last year. I've been playing almost 2 years and i want to ask to people who plays in high rank elo. Platinium to challenger. The question i want to ask is what is the best champions that i can climb low elo in 1-2 months to gold-diamond? Like 10-20 champions in your opinion. Champions that takes only 20-50 games to master or below 100 games. Champions for late game or mid game. {{sticker:sg-ahri-2}} i would thankfully you to give your best champion opinion you had use to climb and good tips for silver player. Also i know how to freeze lines, ward (buy), situational builds and teamfights. Here is my account:
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