I think we need one of each.   

But if I have to chose one I go with another top of the rotation starter (or two).

We don’t need Yu Darvish. We already have a choker in the post season

Give me a #3 starter, some good bench guys and I'll be happy.

#3 starter.

As a reminder, here are our FAs: Werth, Kendrick, Blanton, Perez, Drew, Kintzler, Lobotan, Alberts, Edwin Jackson, De Aza, Raburn.  Adam Lind can opt out, as can Wieters.  I think AJ Cole is a FA too.

My wish list:
#3 starter  (Andrew Cashner, Lance Lynn?)
Retain Adam Lind
Retain Kitzler

We can't possibly afford to let Lobaton go, can we?

As a reminder, here are our FAs: Werth, Kendrick, Blanton, Perez, Drew, Kintzler, Lobotan, Alberts, Edwin Jackson, De Aza, Raburn.  Adam Lind can opt out, as can Wieters.  I think AJ Cole is a FA too.

My wish list:
#3 starter  (Andrew Cashner, Lance Lynn?)
Retain Adam Lind
Retain Kitzler

Keep Albers, Kendrick, and Drew.

So is this just free agency, or does it include trades?

As a reminder, here are our FAs: Werth, Kendrick, Blanton, Perez, Drew, Kintzler, Lobotan, Alberts, Edwin Jackson, De Aza, Raburn.  Adam Lind can opt out, as can Wieters.  I think AJ Cole is a FA too.

My wish list:
#3 starter  (Andrew Cashner, Lance Lynn?)

Both of those guys are #4s, at best, on this club

Top 50 FA predictions:

https://www.mlbtraderumors.com/2017/11/2017-18-top-50-mlb-free-agents-with-predictions.html

They have us keeping Kintzler, that's it.

I'd like to see someone like Tyler Chatwood in as that last SP.

I'd also make Wade Davis my #1 priority. Holland is also turning down his option, apparently, so that might be worth considering, too.

In fantasy land, I want Hosmer. Play him in LF until Zim goes on the DL

Well, the real fantasy land option is Otani.

the MLBTR link I posted above went into detail about his situation, suffice to say it doesn't look like he'll be available this year.  And few teams have international cap space to sign him.

Rizzo needs to pull of another Fister-type trade.  We also need an upgrade at catcher, but the problem is they'll be paying Wieters $10 million.  The Lerners aren't going to want him to be a backup at that price.  Otherwise, it's just filling out the bench and middle relievers.

Severino will get a chance to play, and if he performs, he'll end up the starter at some point in the season.  I'm not worried that much about the catching situation.  The biggest hole is a #3 starter to push Gio and Roark down to 4/5, and another solid arm in the bullpen if we don't keep Kintzler.   We can always add more pieces before the trade deadline again.  We're fortunate in that we don't have much competition again in the East.

With Murphy's knee issue, it might be worth finding another IF bench player too.

Severino will get a chance to play, and if he performs, he'll end up the starter at some point in the season.  I'm not worried that much about the catching situation.  The biggest hole is a #3 starter to push Gio and Roark down to 4/5, and another solid arm in the bullpen if we don't keep Kintzler.   We can always add more pieces before the trade deadline again.  We're fortunate in that we don't have much competition again in the East.

With Murphy's knee issue, it might be worth finding another IF bench player too.

Don't agree with that last statement. If the Braves or Marlins get a little pitching they will give the Nats more than they can handle