It's Magic Poem by Patti Masterman

I'm the magic genie.
I'll grant your three wishes;
Just give me your checkbook,
Your titles, and your firstborn
Sign over your mortgage,
Your cars, and your IRA.
Sign on the dotted line,
In triplicate, with a notary.
I'll also need the safe deposit box key
And a copy of your insurance,
And last will and testament
Made out in my name.
Oh, and by the way,
I'm not responsible for any wishes
That go missing, that go against
Applicable laws and tax codes and
Results may differ from representative
Cases and though you may find yourself
On the highway wearing only tube socks
With a 'will work for food' sign
You have no recourse under statutory law
But don't worry-
You can always write a book.