When a person prays to find misplaced keys or whatever, it's eminently likely that taking those few moments pause gives the mind the opportunity to reflect on the situation and allow the memory od what you did witht he keys to bob to the surface. In that sense, prayer can be said to work; but it's not some divine helping hand, so much as the act of not trying to think for a moment.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'