Riot: Ezreal needs a re-work, or a major buff
Ezreal is, unfortunately, among the shortest AA range of any "ADC", coupled with the fact that he is also one of the squishiest, and his abilities all scale far better with AP; in fact, the only ability that even scales with AD is his Q, since the ult is abysmal at this point.
I recommend the following tweaks to Ezreal, at least for the short-term:
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Remove the AD scaling from Q, and increase the AP scaling from 40% to 80%.
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Ezreal's ult is far too weak at the moment because it goes down by 10% damage for every target it hits before actually hitting the intended target, which means you're looking at 30% of the actual ultimate's damage before actually hitting the intended target if the ult hits minions/monsters, or other players, on the way to your target. Even with 1000 AP, your ultimate would hit for 320 damage if it hits any minion waves along the way. Even though Riot doesn't follow the basic rules of balancing (F-S-C), they really should, because a balanced game is more competitive and fun to play. Aside from that little problem of Riot itself, if you were to balance this situation appropriately, you'd have to take away something in order to give something in another area. So for example, Ezreal's ultimate takes 1 second before shooting, if you make it instant without delay, you'd have to take away something else such as dealing less damage. The problem is that it already deals less damage because of the downscaling, down to a 30% minimum. So you have a delay, and downscaling of damage, which leads to a double negative, which is why the ultimate is underpowered. In terms of balancing, it would be appropriate to remove either the delay or the downscaling, and if you wanted to make it both instant and not downscale, then you could remove the global range and make it a short range cast, which I think would actually be the best option, since that gives Ezreal a much needed boost of power, with greater accuracy since it will have no delay in casting.
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Change his passive to something that is not AA reliant. One good idea I read was to have his passive build up charges after each spell that hits a champion, and upon 10 charges, Ezreal's next spell deals bonus magic damage.
Anyway, Riot doesn't really care, but I thought I would throw these ideas out there for Ezreal. 
's ult, for example. While it's much stronger, and has a blast radius, it still explodes on target.
's ult can be blocked in the same manner, and has less range. Ezreal's ult trades damage potential per target and splash damage for piercing and range.