Well, it won't be included with the Balderas motion, since that is front of the three-judge panel that drew the map in 2001. If that panel refuses jurisdiction, it certainly makes sense to combine all the suits into a single action at the District Court level.
Which court that would be is unclear, although the Tyler court did receive the suits before the Victoria court did.
I still think there's a chance that the three-judge panel in Laredo could end up with the case, but it's less likely as time passes. If the Republicans had quickly filed a motion before that court seeking a declaratory judgment that the map does not violate the VRA, the odds would have been higher.
My guess is that a District Court will hear the challenges first.