Erases all recent memories of the people around the user along with the user.
Do what you say, say what you mean, one thing leads to another, remember
Cerebellum Erasus, also known as the "Amnesia spell", is a spell used to erases the memories of people. In Spanish the spell is "Cerebellim Anulasis".
Justin used this spell in season one episode "The Supernatural" to erase the memories of all in the game baseball as they witnessed Alex and Justin using their powers. However, also own memories of Justin, Alex and Jerry were deleted.