Durge

Whenever Durge dies, return it to the battlefield
tapped under its owner's control at the
beginning of their next upkeep.
{x}{x}{g}: Monstrosity X. (If this creature isn't
monstrous, put X +1/+1 counters on it and it
becomes monstrous.)
When Durge becomes monstrous, it fights
up to X target creatures.