Final answer:
The Mutant Crown in video games provides 2 Mutant emblems and is associated with a date.
Step-by-step explanation:
The Mutant Crown in the context you provided appears to be an item in a video game. It is specifically mentioned to provide 2 Mutant emblems. The additional information given, such as '12/8/21', is likely a date related to the game's update or release. It is important to note that the meaning of the Mutant Crown may vary depending on the specific video game or context it is being referred to.