Money for Nothing: Since you get money rewards based on the strength of encounters (and you could give yourself stuff for free via stealing, catching thrown items, or poaching monsters, and then there are things like the item duplication glitch), enough grinding means you can have more money than the entire GDP of Ivalice as early as Chapter One if you really care to be that ridiculously wealthy
Although Emert's transformed Hades form does cause further cards to be exiled instead of getting re-used again in the graveyard, there are plenty of ways to avoid the downside while still reaping the rewards
With all the Mardu support in Tarkir: Dragonstorm, it just got a big boost, too
There will also be pirates and inventors with robots
Double Masters also has one of the most exciting draft environments
Beatrix of Final Fantasy IX One of the most badass characters in the game gets a card thats reflective of her fighting prowess