Quote Originally Posted by Jokasti View Post
Yes, but the point of rolling for SPD is to see how much power the god decides to give you. It's like you already have a car, just how much gasoline do you have. So you know the spells, you just dont know how often you can use them.
It's more like a car that can go one of two speeds: 10mph or 70mph.

Honestly, rolling crappy spells/day one session is like the GM taking away the wizard's spellbook, except it's a class feature. "Your spells randomly might go away" just isn't fun.