With the recent aram W nerfs to Ashe to make it a flat 18 seconds at all levels, people have defaulted to Trinity Force ADC Ashe. It’s very difficult to consistently proc sheen with your W nerfed - your only reliable cooldown is your Q.
P.S Please don’t build Ragebuild either
It would be for fun if when I play Sivir my AA wouldnt deal 500 DMG whereas Draven’s AA deals 1.4k Dmg and his R 2k DMG cuz Ghostblade balanced