So, if youve never heard of it or want to learn more about it, lets take a look at the sweep keyword
A mono-black Vampire for six mana, Timothar is a 4/4 with a ward cost of discarding a card, making him quite troublesome for opponents to remove
That ward ability will do some work, since your opponents will have lots of incentive to kill Voja before you get to attack with it
If an opponent plays a Morph face down, you need to reveal a card with zero or null mana cost with Counterbalance, not one with mana value=3
While 2/2s in Commander arent the biggest bodies, this lets you grow them once you feel like youve stabilized, and since it gives creature vigilance for a turn, it will let you swing in with your big buff board of baddies and beat up the rest of the table while not going shields down
Unless you have a dedicated build for Fall of Gil-galadFall of Gil-galad, I say pass