> "...This sounds like you've found a way around that?"
> "Quite the opposite actually! Auto-casting wouldn't be possible were it not for the quirk of the spell card system." the magician explains.
> "Unlike the rules on what constitutes fair patterns, the single spell rule is what I call an
intrinsic law. That is, a self-enforced rule. There's nothing stopping someone from winning duels by casting impossible-to-beat patterns. It's only by agreement that we design spell cards with intended ways of capturing them. However if you try to declare a second card during a duel, you'll find that nothing happens
at first glance."
> Flipping to another page she continues "And given the adrenaline rush of a tough duel, you might not even notice anything amiss. Yet the spell must've been cast. If there was something preventing spells from being cast, you wouldn't be able to shoot danmaku after all. So where does the spell and small amount of magical energy required to declare a card go?"