Shaman of the Reef

Other blue creatures you control get +1/+1.
Whenever a blue spell is cast, put a surge counter on this card.
Change {5}{u}(You may choose one of the following abilities for this card. It does not start off with one.)
{u}{u}{u}{ut}:remove 3 surge counters. Counter target non-blue spell. This creature is now a 1/1
{u}{u}{u}{ut}:remove 3 surge counters. Another target creature you control gets +1/+1. This creature is now a 4/4