Unlike The Lord of the Rings: Tales of Middle-earth which included Modern powerhouses like The One Ring, Orcish Bowmasters, and Delighted Halfling, FINAL FANTASY doesn't seem to have as many format-warping cards (at least right now)
Dark Ritual is the most well-known ritual , providing three black mana for one to cast it, and Seething Song provides a similar two-mana boost for three
Scratches, centering, and corners all impact value
Since Uril already has built-in hexproof and gets bigger with every aura attached, this one not only protects it but also helps it hit even harderand in the air, no less
My final advice would be: use the basic frame structure as a constraint (limitation breeds creativity, Mark Rosewater says), and if needed work from there to create new details that are really meaningful for the game, and be more careful not to create more noise
There is a little bit of risk here: with Gandalf as your commander, you can choose to put Gandalf in the command zone rather than your library, but once you choose to let Gandalf go to the top of your library, if he somehow gets shuffled into the deck, youre at the whims of randomness as to whether youll see your commander again