Lovomuthra, Burrower on High

Trample, Indestructible
Whenever a creature enters its owner's hand from
the battlefield, add {b}, {g} or{u}.
Whenver one or more creatures dies, put a +1/+1
counter on Lovomuthra, Burrower on High.
Each creature you control has Astrogate {1}{u}.
{x}{b}{u}{g}, {t}: Return X creatures to their
owners' hands. Then Lovomuthra, Burrower
on High deals 3 damage to each other creature.