Allegiance and Battleline Units

[teddet]

If I have an all 'bonesplittas' force, with the 'bonesplittas' battleline units (savage orc boarboyz and moarboyz), can i choose to use the Grand ALliance destruction abilities and magic items from the book?  THe book clearly says I can choose which faction I belong to if all my warscrolls are from there, but it doesn't say what happens to the conditional battleline units.  Is that answered somewhere else?

I think this matters for other things that don't have books yet - like spider riders. 

[Knight of Ruin]

 

 

That thread already answers that question, but yes you can.

So it goes like this:

 

1) Pick an army

2) If it is an all X allegiance army, you get certain units as Battleline.

3) This must all be on your Roster.

 

Then the second paragraph it says this:

before deploying your first unit (so after setup of the board) you can choose allegiance abilities/traits/artefacts. Since you are either BONESPLITTAS and DESTRUCTION, you can choose between those two. However, if you choose DESTRUCTION, you can't have BONESPLITTA stuff, and vice versa. Can't mix and match as far i know.