Lila, Elven Maiden

{g}{g}{g}{g}{g}{g}: {t}, Tap another target elf
you control, create a 1/1 green elf token
with all abilities of the targeted elf and
Lila, Elven Maiden. This ability costs
{g} less for each other tapped elf you control.
{t}, add {g} equal to your devotion to green.