Nephite Flocks

Defender
Shear{r}{r}:Remove a counter from Nephite Flocks.
When Nephite Flocks is sacrificed,
it gets a -1/-1 counter instead.
..and flocks of herds, and flocks of all manner
of cattle of every kind, and goats, and wild goats,
and also many horses.
-Enos 1:21