Well, apart from adding consistency (by giving you more total copies of Show and Tell), Burning Wish can be a lot more than just a Show and Tell in the deck
RW Aggro/Equipment RW in Final Fantasy is a bit slower than your average RW archetype
Very cool design concept plus awesome flavor, and interesting that this is one of the only gods in Magic that doesnt protect itself at all
Being a partially green deck, Exit from Exile has a ton of great ramp that will get you the mana you need to cast some of its best new creatures, including the excellent Nalfeshnee, which copies spells that you cast from exile
This card, however, is worth a respectable $18 in near mint condition, and its likely to do well overtime given the incredible history of this card
The major characters like the Fellowship of the Ring, their closest allies, and the major villains like Sauron all get multiple mechanically unique cards to represent them during different parts of their long journeys