Marvelous looking graphics once again FireLink, you always please me.
But I feel your pain, being the runner-up in three CCs is very upsetting.
I'll play this level, the graphics look beautiful, and love the use of the infamous smoke effect.
Edit: I loved this level!
The recolored graphics matched each other very well.
The music fits perfectly with each section, I liked how the little boo tried to stop you, but turns into a giant boo battle.
I once thought the spikes that you used after the checkpoint were npcs, but I've noticed some changes and it turns out they're moving layers.
Other than Link's sword, I'm not sure why you must be Mario for the level.
I liked how the ending was executed, the boss was very well done and had enough space to move around.
Making the spark effect invisible was very neat, it makes the gameplay feel like SMB3.
Although the only thing was, I've noticed that you've edited the Hammers from Hammer Mario and Luigi, and also made them invisible.
I noticed why when all of a sudden, I broke the boss and got stuck.
It is also breakable if you tail spin the boo.
Other than that this was a marvelous level you've made, I would've been more surprised if this won.