With both commanders out you can turn your sacrifices into resources, helping to accelerate you in mana and putting you several turns ahead of your opponents
There's a pretty good chance you've seen them before, and you may want a refresher, but 40 is a lot, so you never know
RED-GREEN: WEREWOLVES Good news for Werewolf fans: your creatures are much, much better statted in Crimson Vow than they were in Midnight Hunt , and other players are no longer rewarded for you setting it to night-time
Unless you are just going to bulk everything out (which may or may not be profitable), that is a ton of work
Now, lets jump into the individual decks
It grants the equipped creature +2/+2 and protection from both Blue and Black, which stops a lot of targeted removal spells