Resting in a small chest set on a pedestal kept in a room populated with various artifacts lay two spheres that could fit both hands. One, glowing a brilliant blue-white, as a flame. The other darker than the blackest night.
God of Strength in the Night, Hiding your Numbers, and The Silent Kill.
The religion believes in reincarnation, but that you will be reborn in the past. People of today are those re-born of tomorrow, with some discarded as trash. The most pure will be eventually reborn in the mythical paradise-like past, where people lived for hundreds, or maybe even thousands of years.
This goes nicely with beliefs into foresight (you know a little about the future because you have been there), but also to many complaints of how things are going always from bad to worse.