Pay 6 and exhaust Crownwatch Quartermaster to give another unit +1/+1 for each of your units.
Valkyrie Ally: Play two 2/2 Soldiers.
Card sounds may differ from in-game as they get updated.
Ally - Happens as soon as you have a unit of the named type. This can be when you play the unit with Ally or later if there's none of the needed type in play. Ally resets if the unit dies or is returned to hand.