Team Desk Strategy – Based on the playstyle of the "AOE3 Game Archive" YouTube channel
You can build cannons or mortars in the Palace if needed. Consider sending the Spice Trade card early to boost villager and cavalry production.
The Real Fortifications card allows you to build additional Palaces. This means more buildings for producing Maigadis, and it helps you recover faster if any are destroyed.
Note: This is not a rush strategy. It’s meant to harass the enemy just enough to buy time to expand your network of Urban Centers, Universities, and Palaces into important map areas rich in food or gold. For a visual example of this strategy, check out the videos by the YouTuber mentioned at the beginning. I don't know him personally, I just enjoy playing Hausa, and he's one of the few content creators who plays this amazing and fun civ