{torments herald} has aggro written all over it...
Not linked yet but 3/3 flying black creature for {1}{B}{B}
During your upkeep lose 1 life
Bestow for {3}{B}{B}
+3/+3 and flying and the life loss
Fan!
That's pretty solid. Might be worth replacing {Lifebane Zombie} against non-{G}/{W} decks.