Black Grail

+4: Distribute up to 3 -1/-1 counters among creatures you control.
+1: Put a -1/-1 counter on target creature you control, then create a 2/2 Black Servant creature token for each -1/-1 token on creatures you control.
-14: For each -1/-1 counter on a creature you control, put 2 -1/-1 counters on any number of creatures an opponent controls.