Overturned Head Bog

Overturned Heads comes into play tapped. It
does not untap during the first untap phase
after it enters play.
{t}: Add {c}{b} or {c}{g}.
They say a titan called the stone up out of bottomless
swamps to erect monuments to its victory. So long
ago that all that remain of our memory of it are
monuments displaced by the slow growth of
opportunistic trees."