In the short term, Nibelheim Aflame just seems to be, once again, trying to find a proper price point
Well, the fun stuff that you dont really need to know but the curious side of you wants to know
While you dont need the in-depth knowledge of a judge, you should be both familiar with and up to date on the following aspects of Magic: The Gathering : Rules of how to play The sanctioned formats promoted by WotC (Commander, Standard, Pioneer, etc.) Top decks, strategies, and cards within sanctioned formats This will help you not only understand why certain cards are desirable compared to others, it will also hone your instinct for what might make a good card in the future
For an extra two mana, you get a 2/2 creature with flying instead, which I think is a great deal
Now that you've heard my opinion of the cards, I want to hear what you think about them
If the permanent that's exiled was the back face of a double-faced card, you will not be able to exile any additional cards, because those cards have only their front-face characteristics (including name) in the graveyard, hand, and library