I mostly play adc, and recently I've been learning Top lane, but the main thing I've seen is that I mostly am only good with champs that don't rely too heavily on spells, the main champions I play are Varus ADC and Xin Zhao Top. I'm also good with champs with good sustain like Vladamir and Warwick. anyways I want to start learning mid lane so who would some viable champs be that sort of fit my criteria? any help would be appreciated.
Diana is fun and very versatile as she can be played mid, top, and jungle. Her build paths are also pretty broad as she can build heavy AA items like lich bane and nashor's tooth or AP bruiser.
Sustain Mid Champion:
Auto-attack reliant Mid Champion:
AD Ezreal?
You can experiment, and see what works. I've heard rumors that Graves can be played midlane. He doesn't have the best aa range, but I hear he can be played like an AD caster.
Azir, before last patch =P
Yasuo.
ADC Corki works well in the mid lane due to his poke and burst damage. Just rush Trinity Force and Sorceror shoes and you shouldn't have many issues. ----A lot of other ADCs can be played mid as well
Annie isn't AA-based but she is pretty straightforward. Somewhat durable, good CC, high burst damage and simple mechanics.
Kayle has received quite a few nerfs, but she's still playable mid-lane. Rush Nashor's Tooth, followed by some attack speed or AP.
Swain isn't to hard to learn and he's pretty durable. He also provides good damage, CC, and healing.
Kassadin could work, though he might be nerfed soon.
Jayce might work if you know how to position yourself and trade.
Wukong can be played mid if you know how to avoid skillshots and take advantage of your early burst damage.
----Many bruisers with some form of gap closer can be played mid.
Master Yi is a hilarious Mid Laner that I suggest people should try.
The key is abusing Alpha Strike's brief moment of invincibility. If the enemy laner tries to harass you with their abilities, you can completely negate it by Alpha Striking to them. Proceed to win trade because Yi's Auto Attacks are better than everyone else's.
Yasuo, master yi, fiora (maybe), jayce, and maybe riven
I've played AD 
mid, she's a pretty safe waveclear champ with mobility and self peel so she works well in a solo lane.
Jayce is fo sure a rly Good mid ad. Quinn is also Good with here passives and blinds.. urgot is also good, since his toxic skill also gives sight in bushes..
As long as you are only comfortable on AA champions, there will be a lot of champions that are out of your comfort zone. I would suggest playing 
and 
to get use to champions that are more focused on abilities than auto attacks.
the only ones i know of are TF and Azir
tf is closer to a caster ADC
while azir is a micromanage champ who aa speed scales with cdr
quinn mid if you want to play an assassin type marksman
azir for kiting while autoing
yasuo for a melee AA based champ
ezreal/corki/sivir are strong mid ADCs
twisted fate jayce
