Text (ON): 1/1. ; Morph {G}. ; Tap two untapped Elves you control: Add one mana of any color to your mana pool.
Since the ability does not have the {Tap} symbol, you can use the ability before this creature begins a turn under your control. [Onslaught FAQ 2002/09/24]
It can tap itself but is not required to do so. [D'Angelo 2002/10/15]