Fullmetal Alchemist: Brotherhood, Magi: The Kingdom of Magic Recommendations
Magi is like a combination of One Piece and FMA, it takes the best of those two and it's a really great shounen. You have to watch the prequel named Labyrinth of Magic first.
FMA shares some rather dark themes with Magi, political and socials.
The best way to put this (without giving anything away) is that magi is the spiritual successor to FMA Brotherhood. Really similar vibe as neither is a typical shounen anime.
The main characters are very endearing, they have their own personality and are not very similar to those in FMAB. However, the main story are likely, especially the end.
It's two world of "magic", but in a different kind. FMAB is more based on, close to science where as Magi is more a fantasy world, which reminds me a little of Harry Potter, because we're discovering it at the same time as the characters.
To my mind, it's very psychological, there's a lot of moral, friendship and a main goal. There is a lot excellent fight too, very well presented, and it's also pretty fun too.
They have nothing in common except for the originality of their stories being very successful and great for marathon