Xotia, God of Machines

Indestructible
As long as your devotion to white, blue and
black is less than ten, Xotia isn't a creature.
{x}{x}{w}{u}{b}, {t}: Create X 2/2 colorless Thopter
artifact creature token with flying
Sacrifice X Thopters, {t}: Create an X/X blue,
white and black Golem artifact creature
token with trample