If I were to upgrade these decks with pulls from booster packs, then I would shave some of these weaker cards, especially ones that cannot be turned into ink, and add more five-drops, six-drops and seven-drops
Kulrath Knight also combos with Nils, Discipline Enforcer, continuing to do good work even if Nils gets whacked
Additionally, if the permanent or token destroyed was controlled by its owner, this card can function as an effective source of card draw which is sorely needed for white decks
Bolass Citadel can enable some broken stuff in any mono-black deck, especially one focused around artifacts
To many a Magic player, burn as a term more closely relates to the archetype of deck than specific types of card
Its here where the monstrous might of the Power Nine was born, which were nine infamous cards for which the ban list was created