I collected objects slower than my opponent; at the beginning, the opp almost always had an army advantage.
Town Portal was granted from the first rebuild, Fly immediately from the library, Dimension Door on the third attempt, and Impl still on the second attempt. In the end, the Mage Guild looked like this:

On 131, I used resurrect to enter the central treasure zone.
On 132, I sneakily took the opponent's main (while only having Town Portal).
But since the opponent had more meat, I decided not to risk it and left.
The opponent was apparently more scared of me than I was of them and didn't try to take back their main until the end of the game.
After getting full control, I started powering up in the treasure zones. A few trained suckers took objects and necessary artifacts quite quickly.
I powered up for an indecently long time, and the opp apparently couldn't stand it and overextended (well, or like me, they had simply eaten everything in the treasure zones :D )
The final result looked like this:


Thanks for the game!!!