Nightwolf, Grey Cloud

Whenever one or more counters are put on this creature, you gain an experience counter.

This creature has reach as long as you have five or more experience counters, lifelink as long as you have ten or more experience counters, and deathtouch as long as you have fifteen or more experience counters.

{2}, {t}: This creature deals damage equal to its power to target creature an opponent controls. If that creature would die this turn, put a +1/+1 counter on this creature.