Palla was a human leader of a Rakdos thrill-killer gang that operated in Agrus Kos' section in 9943 Z.C. in the plane of Ravnica. Kos and Myczil Zunich were pursuing her for several murders and raids, while a devkarin bounty hunter called Jarad was also after her head.
She was an indirect cause of Zunich's blunder and subsequent fall-from-grace. She was (to her own surprise) killed by Agrus Kos, who impaled her throat with a thrown sword.