Edgar Markov easily ranks among the best Vampire Commanders MTG has ever seen due to his Eminence ability
You can either look at your opponent's hand and sift out one of their cards (also giving them a new card on draw, but that usually doesn't hurt too much), or you can use it on yourself, and filter through your hand a bit and draw yourself
6: Peter Parkers Camera When I first saw Peter Parkers Camera, I dismissed it as a worse [[Strionic Resonator]] same idea, but limited to three uses
To make it short and sweet: If your commander is in a mutated pile, that pile is your commander
It can also crack open a Hangarback Walker with three +1/+1 counters on it, or even bigger if you mix in damage from a chump blocker or attacker
For three mana, Captivating Vampire is an extremely strong card, and especially so when paired with any of the myriad ways for you to gain multiple Vampire creature tokens