Well, we get a pretty sweet card out of the deal that is completely useless
Sythis, Harvests Hand Sythis, Harvests Hand is one of the best enchantress commanders and one of the best enchantresses overall
Damage that a creature with infect deals doesn't result in damage being marked on a creature or a player losing life
Jace, Architect of Thought Back in the day, the previous 4-mana Jace, Jace, the Mind Sculptor dominated Standard fiercely and was ultimately banned
Being able to sacrifice a big creature that was targeted by something like Pacifism while also gaining life and drawing cards is always good
Even though Im not sure being a tapper is all that relevant in a game of Commander, you do get a Clue token when you do it, so its always going to be useful