JJ wrote:"Until the end of the turn, you can re-roll failed hit rolls for friendly <SEPT> units within 6", but these units cannot move for any reason".
As the Commander is a friendly <SEPT> unit, does this ability and restriction also apply to him?
Yes, as he fulfils all the necessary requirements.
JJ wrote:I was considering using a Coldstar Commander and starting him on the board. Then turn 1 calling Kauyon, manta striking some Crisis Suits down then advancing 40" over to them to give them the benefit. Is this possible? Or would Kauyon lock the commander in place at the start of the turn? Or can you still move but you lose the benefits of the re-roll?[/i]
This will not work.
You cannot advance the commander after bringing in the crisis suits as entering from reserves is resolved at the end of movement, therefore you miss the opportunity there to move.
Yes, you could declare Kauyon and then move, gaining the benefit is optional however and units would have to be within 6 inch of his final postion to gain the benefit.
There may be a cause for what you say though. If
GW FAQ as to whether you count as moving after deploying like this, you could theoretically declare Kauyon, advance to your desired position, bring in the suits and if the rules say you don't count as moving, you could claim benefits of Kauyon on the suits to make a devastating offensive.