Looks like a pretty fun deck for being built on a budget. You may want to consider adding a few more "Hellbent" cards that reward you for having no hand, such as Jagged Poppet, Slithering Shade, or Taste for Mayhem.
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I bow my stomach in reverence.
Thanks for pointing that out, I forgot to remove some basic lands for a pain black.
I would highly recommend Lightning Bolt (3 damage for 1 mana) and Fork (Copies a spell for 2 mana)