Mostly, this gives you a Zombie at the end of your turn if you lost 2 or more life, and losing life on your own turn isnt something that will just happen -- youll have to create situations to make that part work, and even though Black is always capable of doing that in Limited, it is highly unlikely you get a critical mass of those cards going that allows you to consistently make a Zombie, and you probably need to get at least two out of this for it to feel worth it
You can find workarounds to play with them in paper, though it takes some work and they can't work exactly the same, or you can just ban the Alchemy cards for paper gameplay
This sparkling queen can be Link Summoned by using three Spellcasters as link materials, and when Link Summoned successfully, she brings another Allure Queen into play from the deck or the graveyard
Holographic cards, especially in mint condition, can be more valuable
Early print scarcity plus undeniable character popularity push high-grade MFC-000 copies into five and six figures
Many fan-favorite characters have multiple versions, each representing a major step in their arc