See the singles buying guide Extremely high value creates counterfeit risk
I mentioned I play it over Brainstorm often and this is because it is self contained, I don't need to hold it to milk the potential from it, as soon as I have a spare mana at the end of your turn I can fire it off and it will be about as good as it gets
It was ultimately rejected for feeling too much like the cartoon The Far Side
Chaos Defiler Chaos, the Endless Defiler of Souls Imskir Iron-Eater Kardur, Doomscourge Lady Orca Malfegor Master of Cruelties Ob Nixilis, Captive Kingpin Orca, Siege Demon Orcus, Prince of Undeath Rafter Demon Rakdos the Defiler Rakdos, Lord of Riots Rakdos, Patron of Chaos Rakdos, the Muscle Rakdos, the Showstopper Sire of Insanity The Balrog of Moria The Balrog, Durin's Bane The Balrog, Flame of Udn The Beast, Deathless Prince Valgavoth, Harrower of Souls