Sensibly, the best way to represent Dalmasca in Magic: The Gathering would be to make its effect directly relate to the visual design of the city in Final Fantasy XII
This can be extremely helpful during various events where there are time-sensitive tasks
Like the headstrong, heroic Eowyn of Rohan we know and love from the books and movies, she functions perfectly at the head of an army of humans
Big Score/Unexpected Windfall [c]Big Score[/c] (or [c]Unexpected Windfall[/c], which is basically the same card) are like the previous entry, but with the additional upside of creating two Treasure tokens
It does have a decent setup of low-cost creatures, and Nalia's ability means you can look at and play off the top, but it can't really leverage these things because it has little ability to manipulate the top of your library, nor much ramp