Simple! You must be a level 58 balance wizard who completed the level 58 spell quest. It is one of your rewards.
OR
You hatch it in the hatchery. I can't currently tell you the combinations, because I don't remember them. As I have not created this pet in the hatchery.
a three headed dragon has 3 heads cough cough retard
NO...
Mutant 3 headed snake
Cross breed a macaw and an alligator
Cerberus was a three-headed, dragon-tailed dog who guarded the entrance to the Underworld.
Macow and a crocodile二timat
The Four-Headed Dragon was created in 1981.
A heckhound.
There are dragon pets and dragon mounts in Wizard101. Some of the pets might come with a special card that has a spell. The mounts are for you to ride, and you can get around the world much faster.
buy a dragon hourd pack and get lucky.
The Four-Headed Dragon has 180 pages.
Wizard101?