Completed Lord of the Sea

When Completed Lord of the Sea enters the battlefield, put a +1/+0 counter onto it for each {r} that was spent by to cast it, and put a +0/+1 counter onto it for each {u} that was spent to cast
it.
Each other merfolk gain +1/+0 for each +1/+0 counter on Completed Lord of the Sea, and each
other merfolk gain +0/+1 for each +0/+1
counter on Completed Lord of the sea.