Snargle Seven-Fingers

Beserk (Whenever this creature attacks, put a rage
counter on it. At the beginning of your end step, if this creature did not attack this turn, remove all rage
counters from it.)
Whenever a creature you control dies, put a rage counter on Snargle.
As long as Snargle has seven or more rage
counters on it, it gets +7/+7, trample, and
undying.