Making a flying drake token on each of your turns, and possibly on your opponents' turns, is strong enough
Brainstorm draws three cards, at instant speed, then you put any two cards from your hand back on top of your library a key feature to hide cards and set up future plays
An 8/8 beater with trample and haste can punch through defenses quite well, and when The Balrog of Moria dies, you can exile a creature from each opponent at the cost of exiling the Balrog too
Also, positive side note: The draft didn't feel like on rails, cause I had the option to go Orzhov lifegain pretty much the whole time, than just left the white stuff in my sideboard, because the monoblack payoffs seemed stronger and were more plenty.
Its not uncommon for red commanders such as Krenko, Mob Boss to have a stray Goblin Recruiter or Dockside Extortionist around to sacrifice and pay the cost for this spell, but the place where it will shine the most is in partner decks including Rograkh, Son of Rohgahh