Let's assume that you're playing against three other players, and you have five noncreature, nonland cards in your graveyard (which is very conservative considering how many milling effects this deck contains)
You can exile a bunch of cards from yards with this, and the other modes are all useful
After all, we've all gotta catch em' all, right
Instant Color tag templates(None) Chaos Warp The owner of target permanent shuffles it into their library, then reveals the top card of their library
negate that opponents card, then if you do, flip that target into face-down defense position
Vampires have a subtheme of stealing the opponents Monsters, so while their Main Deck cards dont have a ton of synergy, their Extra Deck certainly does