Cernos, Lord of the Hunt

Vigilance, reach, trample
Whenever Cernos, Lord of the Hunt enters the battlefield or attacks, you get X hunt counters.
If a source would deal damage to you, prevent
that damage up to the number of hunt counters
you have. You lose hunt counters equal to the
damage prevented this way.
Cernos' power is equal to the number of hunt counters you have.