User blog comment:Xilinoc/Ch. 566 (not out yet, but dis gon b gud)/@comment-5693502-20140129130454/@comment-5693502-20140129142810

I was thinking along the same lines "The Understand" at first but that line about Renji's luck running out just seems to stick with me, so I'm kinda under the illusion he's got some probability-based power. Kinda.

That being said, "The Understand" (with an ability sort of like this) still feels like the most likely candidate at the moment.