Active items for ADC

TL;DR it would be cool to lower the cost of already existing ADC items with actives and/or have more actives for ADCs

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So y'know how there's hextech items with really cool 40 second cooldown actives including dashes, slows, and extra damage for mostly AP builders (with the exception of Gunblade which can be used for hybrid champions) right? I think this concept is really cool and it's very fun to play with ingame, but there aren't the biggest amount of cool actives in the adc role. Sure there's the active of Blade of the Ruined King, which goes nicely with high attack speed adcs; Youmuu's Ghostblade which is great for those truckload attack adcs like Jhin, MF, and sometimes on Draaaaven; and the active of Mercurial Scimitar, for pretty much any and every adc that has a risk of getting caught out with most forms of CC.

The mentioned items in order have a cost of 3400 for BoRK, 2900 for YM, and 3600 for MS (As of patch 7.21) which is substancially more expensive than the affordable Protobelt's 2600, GLP-800's medium cost of 3000, and gunblade's cost 3400. It's not much but it's certainly something. To add onto the slight injustice that I feel, I personally think Hextech's actives are more interesting and more fun to use as well, which makes me think stuff like "Yooo the adc actives aren't as fun but I still have to do more to acquire them...."

I think it would be great to have something like Black Market Brawler's Mirage Blade which blinks away from an autoattack marked opponent, or a dash like protobelt except with AD stats, or an active that makes the next autoattack push the enemy a small distance away. These are just a few ideas that I personally think would be heckin' cool, but also delicate to balance.

Underlying this suggestion is the defiance of the idea that the adc has to rely so heavily on the team to stay alive or deal with a gray screen if someone else dun goofed by not peeling for the adc. Kiting is very much essential to staying alive as adc, but now'days there are so many dashes and blinks that immobile adcs like Ashe, Jinx, and Kog'maw have very little to stay alive except prayers and hoping the team will peel the zeds and talons off.

It would be wonderful to give those low mobility adcs some love with some interactive gameplay in the form of active items.

Thanks for reading, and please give your feedback to explain why you think this would or wouldn't work.

Cheers!