Discard it and all attached cards and replace it with one from the bench
You get one card, but have two versions of them, often times with new abilities and more power on the back, at the cost of a somewhat situational flip condition
(The card wouldn't work at all otherwise.) This is a very broadly-applicable rule, which applies to any card with an activated or triggered ability that references information about itself when it resolves
More than just hundreds of pretty faces though, MtGs Final Fantasy foray is a formidable entry into the game proper and one that absolutely earns its spot as the inaugural all-format-legal Universes Beyond release
This black sorcerys also way better when you make players sacrifice creatures, because that also gets around indestructible and you have added synergies with cards like Mayhem Devil
Besides its art, Belle, Hidden Archer is also a great emerald card thanks to its gameplay mechanics