The other big bonus was that you got to see their entire deck, which back then taught you a lot more than it does now due to a lot of people playing their own homebrews and a lack of other ways to take a look
I think it was unfairly maligned a bit because people refused to let the series "end" as it did and expected the movie to change that
Devils appear through all kinds of art, myths, folk tales, and pop culture, but no matter your understanding of the Devil or devils in general, fire, mischief, and darkness are likely to follow
Since it's universal, all of your players will include it in their final decklist, anyone who doesn't needs to be talked too unless they play monocolor
Bearer of the Heavens and Soulscour are also out because they focus on nonland mentions, but a card is fair game if it includes lands among the permanent types it sweeps