Binance selling mystery box in their NFT page.
In the box you can find one of those NFT:
Edition Issue Amount Rank Probability
BLACK BNB UNICORNO 734 SSR 1.8%
MISO 2450 R 6.01%
BISCOTTI 2450 R 6.01%
ATENA 2450 R 6.01%
TOKIMEKI 3267 N 8.08%
LIBERTY 3267 N 8.01%
MEKACORNO U9 3267 N 8.01%
KAIJU TOKIMON 3267 N 8.01%
ACQUARIA 3267 N 8.01%
MISS TROPICOOL 3267 N 8.01%
BLACK BNB UNICORNO is the super rare and current floor price for it is: 77BNB
https://www.binance.com/en/nft/goods/blindBox/detail?productId=249651&isOpen=true&isProduct=1
Next mystery box drop will be dropped on june (2021)