1: use a golem
2: enchant a hundred wearable items and make one guy wear them, then unleash him on the enemy
3: make your entire army invisible.
4: teach conjuration to every one on your side, or get some mega conjurer/necromancer to make an army .
5: walk into the enemy city and conjure Mehrunes dagon.
6: Cast charm spells on the enemy for all diplomatic /intelligence gathering needs
7: Teach your archers/ mages how to jump.
8: get your soldiers to use a serpent stone.
9: open up the construction kit and mess with leveling
10: Use smiths with 100 skill and every perk
11: instruct all troops to crouch when shooting at unaware enemies because standing and shooting removes and damage multipliers one may get when crouching