"Not so fast there, Achmed!"
Both you and the Genie spin around to see an Arabic-looking man dressed in a business suit. However, he is floating above the ground - he must be another Genie! This new Genie looks at you and sighs,then scowls at your Genie. "You know the rules. You can twist all you want, but you ignored part of his wish. All or nothing, Achmed.
You hear your voice come from the air; "Me, I wish.......I was a powerful wizard.....a really wise and powerful wizard.....being stronger than the witch...courageous...handsome..
...and irresistable to the fairer sex, yea!"
The new Genie shakes his head. "That one word, 'wise', screws it all up. Not a wise animal, not a wise boy, a wise Wizard. Which means you have to grant him the knowledge and wisdom of a powerful Wizard. Unless you want to forfeit..."
Your Genie pales. "No! I'll fix it! I'll fix it!"
He spins back towards you and spits angrily. "Curse you human! I bet you just blurted out what came to mind, not knowing how well you served yourself. Still, I can keep some limits on you."
You feel a powerful shock that leaves you suddenly very clear headed. But you are still an animal! The Genie smiles nastily. "You never said you wanted to be human. So I have made you the greatest Equine Wizard of all time. You can make use of your Wizard's powers without a voice, but you can only make changes that involve equines. You can make someone into a horse, but not change them back." He looks back at the Buesiness-Suit Genie. "Fair enough?"
The second Genie nods curtly. "That satisfies all aspects of the wish. However, this is your second offense in less than 100 years, Achmed. Be careful - if you screw up again in the next 200 years, you will end up forfeiting - and you don't want that." He vanishes in a cloud of purple smoke.