Banding of the Shire

Strive — This spell costs {g/w} more to cast for each target beyond the first.
Choose any number of creatures you control,
they deal damage equal to their power, divided as
you choose, amongst any number of target
creatures your opponents control. Creatures
your opponents control, targeted this way, deal
damage equal to their power, divided as you
choose, amongst creatures you control that were
chosen this way.