In my perspective it should be
Stats:
7 Dmg
Med swing speed
Burn or knock back whichever you prefer

Extras:
(Id Prefer Trash Pick)
The mushroom idea would just make it hard on the person wielding it, I know it doesn't take long for it to change colors, but their is a massive player database and many people run around searching for mushrooms, so you come across mushrooms, your waiting then while your waiting a scavenger will come and take it so you won't get all of the mushrooms maybe some, I don't know this is just how I see it.