Controlling four or more legendary creatures is quite hard to do, even in a set with as many legends as Final Fantasy
Of course, the underlying problem still remains: Wizards has already reprinted a significant portion of the expensive cards in Modern (and second / third / fourth reprintings are less valuable and exciting than the first), and the most exciting reprints for other formats are on the Reserved List
Now heres the real question: What counters are you moving, and what are you putting them on
Balthors services are pretty easy on the wallet, at $10 or so, four times that if youd like the foil version
Weve all seen it gain you more
Then, as in FFX , Jecht becomes Brasks Final Aeon, a Legendary Enchantment Creature Saga Nightmare