Nykthos, Shrine to Nyx

{t}: Add {c}.
{2}, {t}: Choose a color. Add an amount of mana
of that color equal to your devotion to that color.
Every living being has to walk the corridors of
Nykthos. There, they learn that worshipping a higher
being is dangerous and a path to proselitism and
violence. No deity is worth a single life.