odd....
the site places Draco under silver keys but I have found Draco under black keys
well admitted its the fanon wikia, but the canon one has mentioned a black key so I wanted to know and found the fanon site
so....

I dont know where to go with the new info I have found further on that site
I'll just keep with what I have I guess, though it has the little issue of...

Black keys are canon, but what about the Obsidian ones...