Fallen Leaf
Autumn Harvest Festival Item
Holding this withering leaf causes you to gain a new palette to swap to.
Grants the Color Change trait:
✦ Can it be Sold or Traded?
You cannot sell this item for real-life currency.
Trading for Cookies 
, art, other characters, etc., is acceptable.
Uses: Attach to a MYO Design or Design Update to use the Color Change trait
Availability
Source:
Holiday Shoppe during Autumn Harvest Festival for 500 Monster Candy
Purchaseable At: