Insular Dockworkers

Insular Dockworkers comes into play with five
-1/-1 counters on it.
Whenever you put one or more -1/-1 counters on
another creature, remove a -1/-1 counter from
Insular Dockworkers.
A handful of families do all Dockwork in some
towns. They marry only among their own,
speak a burbling tongues, and have secretive
sea-based religion. But seem harmless.