Several diarists here have shown that it's possible to get 8 Democratic seats out of Maryland, but due to parochial interests, Maryland Democrats instead drew a 7-1 map. This map cleans up the monstrosity that is the Sarbanes/Ruppersbergermander and draws 8 districts which are all Dem on average, and 7 of which are at least 60% Obama.
All of the incumbent Democrats would have a district where they could run and win a primary, even if some might grumble about it. John Delaney also gets a safe district to destroy Roscoe Bartlett by an even wider margin, and Frank Kratovil gets a district where the average Dem vote share is 8% higher thanks to conservadem heavy eastern Baltimore County. This is the tossup district but I think Kratovil would be a modest favorite over Andy Harris.
The two VRA districts are maintained at majority black VAP, but are unpacked by having the 4th take in conservative Anne Arundel County and the 7th take in the Comically Dedicated Racists of Carroll County as well as other conservative areas along the Mason-Dixon line.
Anyway, when drawing this map I was trying to make the cleanest, effective 7-0-1 possible. Still, my preferred map would be more ugly, but more solid 8-0.