oh my, thats amazing I didn't even notice the mistake.
I like your mistake better than the original intention (and I thought it was a deliberate and witty pun). I think it captures the spirit of problem nicely :-)
You're not a true plumber until mushrooms make you grow to twice normal size and shoot fireballs
Actually it's the flowers that make you shoot fireballs.
Please don't forget that certain type of leaves will give you raccoon-like tail and ears and, somehow, the ability to fly.