Solicolbolas, Amalgamation

Deathtouch, Trample,
{x}{b}{b}{g}{g}, Monstrosity X (If this creature is not monstrous, put+X/+X counters on it and it becomes monstrous.)
As long as this creature is monstrous, it gains swampwalk and forestwalk.
This is when the world comes to an end. I will get my revenge, Meldrogal.