easy!
Mate in 3
Sort:
nice but easy
Pleasant.
I tried to move 3. Qa8 and it said that was incorrect. 
waaaaaaa
I tried Ba6 and Rc7 too
I was a fan of Qb7, alas, also incorrect....
Ok, now you can't do Qb7 and Qa8 (I edited).
Please comment and tell me if there is a faster mate!