Of course! Everyone puts their heart into a deck when they make, but if they don't try to work with their monsters and listen to them, they can't work together well. It's the same thing as if people don't talk, right?

[That's... a surprisingly intelligent observation, but it stemmed from dueling, so it's little surprise Judai knows it.]

Oh, but don't forget the most important rule! When you're dueling... make sure to have fun with it! If you're enjoying yourself, it doesn't matter if you win or lose!

[Not that Judai loses often, but hey...]