Lergith, Voracious Devourer

Deathtouch
When Lergith destroys a creature, put a +1/+1 on it and draw a card.
If Lergith would leave the battlefield, you may exile it insead and draw X cards where X is how many +1/+1 counters were on Lergith.
"He may be a small insect, but his appetite, not so much."- Dyrmizz, Draconic Outcast.