Mos, Voracious Ravager

Whenever you scavenge, put two +1/+1 counters on Mos.
As long as there are seven or more counters on Mos, he has protection from white, blue and red.
{b}{b}{g}{g}: Put a creature from exile into your graveyard
Mos doesn't listen to cries of mercy but alters them to his own enjoyment.