[An honest answer wouldn't really fit the mood, huh? So he doesn't answer at all, just grins boyishly until they're at the statue]

For good luck...?

[Why not? He isn't too familiar with casinos, but games did require some luck and belief in the heart of the cards for that particular brand of magic to work. Yugi picks up a coin as well, but it says in his hand.]

Seems like a good place to make a wish, too. We can use mine for the both of us.

[Monika already tossed in her coin anyway. And, after a moment of thinking, he tosses his in as well, without saying his wish.]

Just like that, right?