mtg vow commander decks Magic: The Gathering: Innistrad: Crimson Vampriric Bloodline is a Rakdos (Black MTG Innistrad: Crimson Vow Commander

Repeatable, instant speed token generation is just what this deck is looking for, so the Recruiter fits in perfectly in this list

Considering that these decks have been fringe competitive for a long time, they could certainly use some help

If this had been in a commander product, I could easily see it as a 4/5 or even a 5/5 instead

There's no way to quantify how often saving a mana is worth losing the body, but you should at least be conscious of the fact that you're choosing one over the other when you run Eternal Witness over Regrowth, particularly if you have no way to utilize the fact that the former is a creature