Two boxing heroic 5 mans, what classes would you recommend?

[Tenmill]

I have a Blood DK at 685 that's having trouble solo'ing heroic 5 mans. I was thinking of dual boxing a pocket healer, or maybe another blood DK to get me over the hump. With enough gear, I'm sure this stuff can be solo'd, but that process will take a while since I don't raid.

Assuming T.Jungle gear, what 2 classes can do 5 man heroic content the easiest? I'd consider 3 boxing at the most, if it would make things exceedingly easy. Don't care for pvp. Thanks.

[MiRai]

I know close to nothing about DKs, but don't Blood DKs only benefit from being Blood if they're taking damage (e.g. tanking)? If that's the case, then a healer would probably be much more useful.

[Andreauk]

I was in a hc a few days ago, we had a dk tank who just pulled and pulled.. him and the healer were fine but he must have taken a lot of healing as us dps kept almost dying from stray mobs that aggro'd onto us.. he was full mythic geared and was pulling 40k dps.

I also vote healer... but I'm not sure that would be enough.. so maybe a 3rd as a dps.. a hunter maybe for full movement?

[Xixillia]

I have a Blood DK at 685 that's having trouble solo'ing heroic 5 mans. I was thinking of dual boxing a pocket healer, or maybe another blood DK to get me over the hump. With enough gear, I'm sure this stuff can be solo'd, but that process will take a while since I don't raid.

Assuming T.Jungle gear, what 2 classes can do 5 man heroic content the easiest? I'd consider 3 boxing at the most, if it would make things exceedingly easy. Don't care for pvp. Thanks.

Resto druid!

[luxlunae]

Disc priest, if you can ALMOST make it without a healer, a healer that just casts bubble on CD and otherwise smites their way through the dungeons would be my choice.