A mass magic!anon is the phenomenon of identical magic!anons being sent to a large number of blogs in a short period of time. It has become a prominent phenomenon in the Nintendask community and is possible due to the community's large size. All mass magic!anons to date have been transformation spells lasting one week. The mass transformation events caused by mass magic!anons are often referred to as a type of apocalypse.
The first magic!anons of these events are often sent by a single individual; however, others join in sending the same magic!anon as the first spells begin taking effect. Because of the anonymous nature of the spells, it is difficult to know just how many become involved in the propagation of a mass magic!anon.
This mass magic!anon was sent starting June 10th, 2015. It transformed muses into Beanish people. Most affected muses became shorter, gained a green skin tone, and no longer had a visible noses.
A related magic!anon was also sent during this time, transforming normally Beanish muses into Humans.
Notably, the duration of this mass magic!anon overlapped with Fintan McShy's summer beach party, resulting in many muses attending the party in their new Beanish forms.
It was later revealed in-canon that the event was the result of an experiment in controlling anons.
This mass magic!anon was sent starting July 1st, 2015. It transformed muses into Chain Chomps.
This mass magic!anon was sent starting July 29th, 2015. It transformed muses into a Pokémon species randomly generated by the mun.