In the final, I attacked my opponent, who was already sitting in my main town. When the catapult died, I thought it was game over. But there was no Red Dragon, and I accidentally clicked on Armageddon, and there was also antimagic on the ducks. I wanted to cast Berserk on my opponent's angels, but I hit Armageddon instead, which turned out to be a very good move. That's how I won.
Thanks for the game.