Idea for Fiddlesticks rework

First, his ult and Q I think should be unchanged. They are both crucial to his identity, so the only two skills that can change is his W, E and of course, passive. Here's just my thoughts about what they can, or should become. First, we have to discuss the nature of his ult. It, by nature, wants to keep him close so that he can get the maximum uptime on it, so with that, I think he should become a melee champion who specializes in going all in. Additionally, because he wants to have jungle and bush control so he can ult unsuspecting enemies, that makes it so that he wants to be a capable skirmisher. These ideas will be the backbone of the reworked skills I'll be theorycrafting. I'll also leave out numbers where possible as they can be tweaked, but the concept is unchanging. Without further or do, here they are:

Passive: The Harvester Fiddlesticks gains increasingly more damage and healing from abilities the longer he remains in combat with champions. Additionally, if an enemy unit dies near Fiddlesticks, his next damaging ability deals an additional burst of damage. If an enemy champion dies near Fiddlesticks, his next damaging ability deals an additional large amount of burst damage.

W: The Reaper's Culling After a very short delay, Fiddlesticks slashes his scythe in a cone in front of him, dealing magic damage to all targets and slowing them for 1.5 seconds and healing him for a potion of the damage dealt.

E: Of The Mist Fiddlesticks disperses into a flock of crows, becoming untargetable for 1.5 seconds, gaining bonus movespeed and can move through walls. He can additionally cast spells while in mist form. If he casts his ult in mist form, he will remain untargetable but will reveal that he is channeling his ult.

These are my quick ideas. It's probably flawed somewhere, but I figured it would give him a defined role, particuarly in line with his ult and Q, and as a jungling skirmisher. Thoughts?