Illinois and Maryland, too. Hopefully gerrymandering is ended by 2030 nationwide, but for this round, there's no point in voluntarily disarming.
Virginia would be another easy one to gerrymander too. Not sure how this commission will play out but my understanding is that the courts could have the final say and I believe Dems are packing the courts here so theoretically it's possible they could gerrymander the state and they really should.
Virginia now has really bad geography for the Republicans, since most of their excess votes are logically packed into 2 Appalachia-based districts. A proportional map of Virginia would ostensibly be a Republican gerrymander, so a commission-drawn plan should naturally overrepresent Democrats.