Hi @SSands1023 , I completely understand the need for this kind of feature. Unfortunately, at this time, the landing pages only allow for one list to be selected. I will certainly pass along your feedback for this, however, and have our engineering team reach back out to you with any updates or resolutions we have on this.
At this time, the only workarounds are to use multiple landing pages for each list, or use the legacy landing page, which it sounds like you are already doing.
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