W: Serra Ascendant, Surgical, Brutality, KCommand

Looking for the following cards.  Non-foils only.

4x Serra Ascendant (medium priority)
2-4x Surgical Extraction (NPH unless multiple promos.  low priority)
2x Collective Brutality (low priority)
3x Kolaghan's Command (low priority)

Have: tradelist.

I'd look at all offers but will be picky in what I accept.