Yasuo.
It's hilarious that Yasuo reaches 100% with Statikk Shiv and Cloak of Agility. Its not even two full items, just 1 and a quarter, its quite ridiculous. It isn't even expensive. Not to mention him with Warrior's Bloodlust, its honestly just crazy and lacks counterplay.
Either revert the item changes or add a cap to his passive or something, there is no way this is allowed to be in the game. Honestly crit as a whole should have just been removed, but instead of doing that it got the shit buffed out of it.