Lilith, Voice of Catris

Lilith, Voice of Catris enters the battlefield with
three +1/+1 counters.
Deathtouch
{1},{t}, remove a +1+1 counter from Lilith: put a
-1/-1 counter on target creature.
Whenever a creature with any number of -1/-1 counters on it dies, put that many +1/+1
counters on Lilith, then draw a card.