There is no cheat. You must actually do the work. Please don't attempt to create, find or use a cheat, as cheating is against the rules of Wizard101 and you could get banned for it.
summer dragon
You have to train it in pet pawvillion.
The pets have to be adult. Take the pet to the pet pavilion and play games with it, the xp builds up and the pet goes from baby to teen to adult (you have to be a lvl 5 wizard to go to the pet pavilion) and the pet pavilion is in the commons.
Click on another Wizard with an adult, ancient, epic, or mega pet, and click Hatch a few buttons under their name.
You train it in the Pet Hatchery by playing mini games and feeding it snacks. Once your pet is adult, it can be hatched with other pets to make hybrids.
You have to have a pet
The pet store in wizard 101 is at Shopping District. Use your map at you journal. Or your compass.
you can't ride a pet on wizard 101 unless you buy one from the crown shop
The pet pavilion is connected to the Commons of Wizard City.
Wizard City, Pet Pavillion
-Frog (500 gold) -Land (Furniture) -Magic (Necklace) -Summer Dragon (Pet Dragon)
-Summer Dragon (Pet Dragon)