How to fix yasuo

Make his W a spellshield. When he blocks a spell with it, the shield from his passive could pop so he can block damage from multi-hit spells like syndra's ult or ahri's W, keeping the skill blocking part of his kit while making it more healthy. Yes, it's ok to block an ability with good timing. Sivir and Nocturne can do it and no one considers them broken or toxic to play against. But putting up a wall that can block any skillshot in the game as long as it's up doesn't feel fair to me, considering he also has a free shield in his kit and that he can get 100% crit chance with only 2 items, and that both of these mechanics are part of his passive...