Sometimes, MTG artists will add another drawing - usually a sketched version of what's on the front - on the blank back of their artist proof cards, further adding to their status
Thus, FINAL FANTASY produces an interesting case as a Standard-legal Magic set - it's not powerful enough to where a ton of cards will have a huge impact, but at the same time it's refreshing to have a set introduced to the format that isn't full of cards that would drastically shake things up
The only miracle here is that this card didn't end up higher on the list, which is a product of the cards around it
Elegant and always causing darkness to retreat, having one on your team might just give you a good sleep
Although Yuffie enters attacking when its ninjutsu ability resolves, it was never declared as an attacking creature (for purposes of abilities that trigger whenever a creature attacks, for example)