Well, when I had my luck, every die I rolled might as well have only had one number on it. [Always whatever number he wanted.] But if we're going to use dice as the metaphor, then think about it: the way you rolled the dice, given how physics works, means it would never have gotten any result but the one you ended up with. You might not know what it will be, but luck knows.

Metaphorically. [Luck is ultimate power, but it's probably not sentient.]