IMPORTANT: all pets heal the same life, none has an advantage over another
Click on the pet you want to buy and the following window will appear
If you don't want to buy it, select NO and if you want to buy it select YES
Once you bought the mascosta it will go directly to your inventory
You will have to equip it and you must equip it by double clicking or dragging it to your equipment
Putting the command: /PET [petName]
And my pet is called GOLD.
If you wish, re-entering the command you can rename it again.
For Example: /PET GOLDEN