Go AZTEC!
Let your blades be sharp and may they strike swift and true as you defend your allies.
As you head into battle, I would like to quote one line from the Bushido code. While I know you are not samurai, I am sure you can relate to this virtue:
* Respect (礼, rei) - A samurai has no reason to be cruel, and no need to prove his strength. Courtesy distinguishes a samurai from an animal, and reveals one’s true strength.
GO have some fun and kick some $@!!
I'm not going to read through all the pages of hails just to see if someone beat me to it, so I apologize if someone has already said it, but
While seeing friends on opposite sides of the conflict might be hard, I have learned (as I am sure have most people in a large scale war) that the best of times are to be had during a war and sometimes the best of friendships are formed between people and alliances caught in a war on opposite sides.