This will just be a rough skeleton. I'll finish it up in study hall tomorrow and if there is anything wrong with it.

Leaders: Xbox Live Avatar (or Bill Gates as a rare card xD)

Creatures: simple things such as Halo's enemies(grunts, flood, ect.), Crackdown characters... pretty much a good amount of Microsoft characters

Heroes: Master Chief, villians from Fable, Arbiter

Buildings: Microsoft HQ, Internet Explorer(lol?), a PC, Xbox Live Marketplace

Spell Cards: Blue Screen of death, Red Ring of Death, Game items, Xbox Live Gold membership.

I having so much fun coming of with this lol! Anyone like my ideas? Im even willing to make cards for this! lol this is a blast! Im so creative xd