Even if you just draw three cards it is a slightly more expensive Harmonize, another popular green draw spell
You either get to cloak a card from your hand, placing it face-down as a 2/2 creature with ward two, or you give all your colorless creatures +1/+1
To take advantage of its need to see your opponents bleed, running other Bloodthirst-y cards, like Petrified Wood-KinPetrified Wood-Kin, Furyborn HellkiteFuryborn Hellkite, or some spectacle cards like Light Up the StageLight Up the Stage, add some good support
If you enjoy swinging tempo with one play, Gisa is a great pick
Theft is a key part of the blue/black Dimir decks (though it has spread to other colors) and is a very fun, if notorious, way to play Commander