As with all of Magic's Secret Lairs, they'll only be available for a limited time (until March 18, according to IGN)
It's also a bomb in Foundations Limited, and probably one of the best Foundations cards overall, so you're always happy to find them in your Play boosters
This is a powerful effect, and I see it as a fun representation of how you can shift around party members, equipment, and magicite in FF6
This makes it extra easy to forget these cards even exist, and if you were a beginner back in the mid-to-late 1990s, theres a good chance you have some hidden gems from these strange sets hiding out somewhere
In any case, there is actually information to be gleaned from the image