Yasuo change suggestion
Bassicly Change is neither a buff or nerf its there just to make the % Penetration bonus armor on yasuo healthy. So rather then yasuo gaining 50% bonus armor penetration right of the bat because his team mate knocked up
Every time he knocks up an enemy he gains 10% physical penetration against bonus armor on his crits on the enemy he knocked up (Number should be between 8%-and 12.5% I would suggest) for 8 seconds against that target . It does stack additively so if he Tornados enemy ultis an enemy then tornados him again before it ticks down then he could reach 30% physical penetration on crits against bonus armor
Nerf For the next 15 seconds, Yasuo's Critical strike icon critical strikes gain 50% bonus armor penetration.
**That part is removed **
This would make yas weaker against full tanks unless he keeps fighting and knocking them up for a while