Claws of metal, Can do but Doesn't, he's usually armed.
a big metal mouth, On him? Hell no that's Just pointless.
monsters made of metal, Can do, but usually won't Preferring to fight for himself.
small balls of metal used like bullets, Done
those roses you brought up being used like arrows, Done But not with the roses
using metal walls to crush, Done
making spikes of metal come out of different places, Done
flying blades of metal, Done.
strings of metal used to cut of hold, Has done
saw blades connected to something or flying at the enemy, Meh, Doesn't appeal to him Nor does it go with his fighting style
using a projectile to send into the opponents body then to rip them apart from the inside out, Can do But Won't, too cheap
putting metal in a body and making spikes jut out of them, Can do with self, or metal IN someone But Won't Do that to someone. Too cheap
covering them and metal and crushing, Has done---Since no one liked that person. XD
forming things like iron maidens to kill, He's Made metal images off himself to spar
forming things like a magic box of coffin and sending blades into it, Rather lame, no real use in a Fight.
firing balls of metal in every direction like a shot gun, Can and HAS done.
and putting metal into someones body to control them. - Won't do, but could With the metal ALREADY in their blood
Give me a day and i'll come up with even more.