World Beyblade Organization by Fighting Spirits Inc.

lets say i have every hms plastic and mfb what would be the best attack for all three of them

Not trying to be a Mod here but you could've used this you know ...
http://worldbeyblade.org/Thread-Build-me-a-combo

Also, there is no 'best' combo, even if you try to only focus on attack combos. It depends on so many things.