This thread should be moved to YMDC. not the proposed rules.
Also. It would work for those stratagems, because it doesn't specify which stratagems it doesn't apply to. so it would be a blanket "all Stratagems" item
Stratagems used during the beginning of the game still count as stratagems for the game, hence the Aquila would still work because you are actually playing the game when the stratagem is used