Golina, Essence Siphoner

{b},{t}: Put a -1/-1 on each of any number of other creatures you control, then put that many +1/+1 counters on Golina, Essence Siphoner. Tap each creature that had counters put on it this way.
Whenever a creature you control with -1/-1 counters on it dies, remove that many +1/+1 counters from Golina.