1. Contemporary Jay-Z
    Best responding to slights, real or imagined, or featuring on drug dealers (Rick Ross Young Jeezy etc)
  2. Contemporary Lil Wayne
    When he has a topic or focus that's not sex, power, or jokes. The Birdman drama helps
  3. Game
    He's a bruiser. Give him a body to diss.
  4. Drake
  5. J.cole
    A good cause. He's so lame but hard to hate when he's earnest. I still do, though.
  6. Rick Ross
    Powerful as a talk show host; the features he gets and the beats are A-1