Vuenar, Cursed Lupus

Deathtouch
At the end of your turn, if an opponent lost three or more life, put a +1/+1 counter on Vuenar, Cursed Lupus.
Whenever a creature dealt damage by Vuenar, Cursed Lupus is destroyed, put a 2/2 green wolf token into play under your control at the next end step.