I don't get why I would want to do that to get me to a win
You arent giving away your mana base to your opponent when it enters, so thats a good start
Draugr Necromancer allows you to cast spells from among any cards in exile your opponents own with ice counters on them, including cards that were exiled by previous Draugr Necromancers
With friends bringing their own boosters, this means enough Murders at Karlov Manor Play Boosters to participate in three different drafts, or one game of Sealed Deck and one of Draft
The more choke cards you stack, the more effective they become, so he's often played with those two cards, as well as Aragorn, Heir to the White City (3R38) , Consorting With Wizards (2R97) , Sting (1R313) , and occasionally Galadriel, Lady of Light (1R45) and Gimli, Dwarf of the Mountain-race (2P121)
In some cases, red players might target their own card with Chaos Warp, such as in response to spot removal, and hope they get something good from the library's top