+1 to save

[Howdyhedberg]

So... I was mini wargaming and one used the command ability and ate an aetherquartz with Lumineth. Could you do that? I thought you could only do +1? Or is it to protect from rend and thereby possible?

While I'm asking this, could aether units (ghost faction, belakor, eltharion) that ignore rend use such abilities? - my impression is that they can not. 

[jamie.white]

It’s cumulative. So if they were -2 you can use plus one and plus one . The most you can go is plus one from natural 

[Beliman]

33 minutes ago, Howdyhedberg said:

While I'm asking this, could aether units (ghost faction, belakor, eltharion) that ignore rend use such abilities? - my impression is that they can not. 

Ethereal ingore all modifiers (positive and negative)! So, even if you use use Rend (negative) or All out Defense/Mystic shield (positive), they will ignore all of them.