Playing a card with marshalling

By JavertCMH2, in 2. AGoT Rules Discussion

During the marshalling phase if I play a card to the table that has marshal ability, can I play that ability immediately or do I have to wait til the next turn?

AND

If i defend with a card it kneels too right? So if i defend with all my characters, I will have no characters to attack with...

JavertCMH said:

During the marshalling phase if I play a card to the table that has marshal ability, can I play that ability immediately or do I have to wait til the next turn?

Yes, you can use it (as your next, different action). It is still marshalling phase, so why not?

JavertCMH said:

If i defend with a card it kneels too right? So if i defend with all my characters, I will have no characters to attack with...

Correct.