My own duelist doesn't really have a set deck archetype as he often adapts his strategy to various factors. But one he always winds up going back to is Rokket/Borrel since he has a fascination with astrophysics and is in university to become a scientist specializing in that field of study.

Oh? You mean my professor Astra who uses Drytrons and also is in charge of a planetarium?

Here's the alternate of one of the pieces there!

I feel you should not view conflict as battles and the like too. A conflict just means that there are forces that don't share the same view point. That includes how one views themselves or their own reality.
I think it's best to always have these conversations in a constructive manner.

And her finding that happiness, opening herself up to a world unlike her old one and willing to learn about others and bring them into her life, is not a traditional conflict but it is a means of her becoming what she wants to be. She learns and grows. That is impairative to the story.

To be fair, I think viewing 'conflict' as merely only battles or odds is a bit too on the nose? Literary terms aren't always viewed literally.
Man vs Self can also go regarding acceptance of a different reality. A 'who I was', 'who i am', and 'who I wish to become'.
Akari strives for that happiness.

To be fair though, Aqua/Aria works more as a man vs self. While the stories are wholesome and contemplative, there is a goal for the main character. That is her personal conflict that drives her. Same for everyone else
All a conflict is for a story is just a means to move the story.

Ah yes, the cement shoes of orientation