i was just wondering if anyone still uses metal fusion beyblades anymore, if there where ant torniments for them and where.

Yes, there are still plenty of bladers who battle with Metal Fight beyblades..
MFB tournaments do happen but Burst is more frequently organised! Keep an eye on the WBO Tournaments Page!
Hope this helps!

I used to play with them, but gave it all to my cousin so that he can have the experience of the fun.

A bunch of great parts came from Metal Fusion, like GB145 and great rubber tips. Some people hate Burst because it's plastic, so they stick with MFB.

my friend across the street