Yasuo Dash

The Ability in Question;

Dashes through target enemy, dealing magic damage. Each cast increases your next dash's base Damage, up to a max amount.

Cannot be re-cast on the same enemy for a few seconds.

If Steel Tempest is cast while dashing, it will strike as a circle.

Dashes through target enemy, dealing 60/70/80/90/100 (+60% Ability Power) (+20% bonus Attack Damage) magic damage. Each cast increases your next dash's base Damage by 25%, up to +50%.Cannot be re-cast on the same enemy for 10/9/8/7/6 seconds.If Steel Tempest is cast while dashing, it will strike as a circle.

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Cap it at 4 targets. I'm sure that some champs can catch him or out-range him, but infinite mobility with no cool down or counter play is incredibly over blown. He should have to choose between committing to a fight, or backing out, not having both options with no trade off. Even Zed has cooldowns.

I know most will default to this point; Cannot be re-cast on the same enemy for a few seconds.

but that's not the issue here.