[img]http://2.bp.blogspot.com/-7LtzmPcffco/USq6O-hljcI/AAAAAAAATGc/jzMQ1x3ajck/s1600/obsidian.jpeg[/img]
Obsidian. Obsidian everywhere.

That aside, the bio seems alright by me. I'm all for the custom cards, but I don't think you should go about modifying pre-existing cards. Leave that to Konami.