New Yordle Jungler

I would like to start by saying I'm least experienced in the role of Jungler but I've been thinking about what I think would be a good Jungle Champion and I enjoy my idea. I wanted it to be a Yordle because I like Yordles and I think there could be more of them. I also like the idea of him/her being Fire/Mage themed possibly with a Snowy/Blue fire skin. I still don't what know to name them.

1. Their Q would be a dash that moves through Terrain and ends with an explosion. Assuming it's fire themed, the dash would leave behind small fires or embers that would grant small amounts of Vision for a time. The Duration of the vision and/or the length of the dash could increase with levels.
2. Their W would cast a Circle of Fire similar to or that deals damage over time, grants vision, and allows the user to gain a movement speed boost if they run through it like 's beam.
3. I'm thinking either the E or the Passive would cause units affected by spells (and maybe basic attacks) to catch fire and take damage over time and grant a small amount of vision. Then the Active E would consume those stacks of Fire on surrounding enemies to regain some health and deal a portion of the health gained back to each of the targets.
4. I was also thinking that the Ult would be a simple buff to most stats and/or increase the range of the other abilities but that seems too bland. I do remember reading somewhere that someone wanted champions to stop being Ult reliant so I thought having the ult be a stat buff rather than some nuke ability might be the answer but I'm not sure.