Aye, that would be great Ripper.
Haven't played a ranger myself yet and read some negative things about it but I think it's possible to make it work quite effectively.
Min AP per shot is 2 or 3 with ranger right? So if the "Elemental Ranger" basically gives you a free special arrow (if your enemy is standing on a special surface) then that saves you like 3-4 AP per shot.
(Do the special arrows also get -1AP from quickdraw btw?)
I'm particularly interested if "Elemental Ranger" has some synergy with Oil. Since it's so cheap to cast, gives a great debuff (slow and less AP) on top of proccing the Bully talent(!)
Even without setting it on fire it's great.
The talent name however suggests it only does extra elemental dmg. So I'm guessing it won't make you shoot Oil arrows.