Teemo Shrooms -> New additional Passive

Trampled Path
After X duration Noxious Traps become visable. This duration is shortened, if enemy units walk around in Y Range from the Noxious Traps.
Example : Walk through an area ; takes about 3 seconds -> Traps are visable 3 seconds earlier.

-> They walk around and trample (raises eyebrows repeatedly) about the path, so the path becomes uneven and the shroom are visable.

#OR

Well Hidden
If an enemy Champion stays within Y Range of a Noxious Trap for X duration, the Noxious Trap becomes visable in Y Range.
Example : Stay near a Trap for 5 seconds and the Trap gains the Eve passive.

-> If you stay near a Trap long enough you suddenly notice them, because ... well ... it's only logical you'll slowly become aware of you're surroundings, right ?

(Have to be in brush or have brush warded for both effects to work for Traps in brush.)