One card that I think might have been overlooked is Victim of Night:
Victim of Night BB
Instant
Destroy target non-Vampire, non-Werewolf, non-Zombie creature.
I've seen Doom Blade make the cut in the 75 a few times, this card hits Dark Confidant. The only remotely relevant zombies/vampires in Vintage are black anyway. Does the

instead of

negate the ability to kill black creatures? Just like Doom Blade it will never be a staple, but something to consider.