Progenitus, the Soulless World

Protection from everything colored, annihilator 5

You may cast Progenitus, the Soulless World from exile. If you do so, it's mana cost is reduced by {x}, and it enters with X +1/+1 counters on it, where X is the number of colorless cards on the battlefield.
If Progenitus, the Soulless World would be put into a graveyard from anywhere, exile it.

The eldrazi came for the land and the life. And
when all was devoid, even the worldsoul could not feed their hunger.