Dirge, The Undying

Undergrowth - When Dirge enters the battlefield,
distribute X -1/-1 counters among up to X
target creatures and put X +1/+1 counters on
Dirge where X is the number of creatures in
your graveyard.
{b}{g}, Remove a -1/-1 counter from target
creature, choose one:
- You gain 1 life.
- Target opponent loses 1 life.