SCP-170931-J

Item #: SCP-170931-J
Object Class: Safe
Special Containment Procedures: SCP-170931-J is to be kept in O5-8's possession, need it be useful in a dire situation (See Addendum). Any instance of the anomaly being [REDACTED], the user is to be terminated, while SCP-170931-J must go into a "quarantine" period in which it is surrounded by normal versions of itself for about 24 - 30 hours. The quarantine pack is kept in a standard storage locker. Location of containmnet is classified.
Description: SCP-170931-J is the ultimate UNO reverse card. When used, it will reverse anything the user wishes to be reversed. Examples of this are taking back a stolen lunch, unbuilding someone's LEGO sets for a prank, and reversing a game you lost for a second chance.
Addendum: On 30/4/2022, "Astral"O5-8's codename, full version AstralPlane320. uses SCP-170931-J to reverse a hack into the O-5 Council Chatroom. True potential realised and containment upgraded.