The situation in the game on turn 113, with 5011 gold, is that I can't take the consulate with a minimum of 57 Goblins, 18 Wolf Riders, and 6 Orcs. Maybe someone can manage it; if so, please write down the algorithm. I'd be grateful in advance, and I'll save the game for the next day.

I took it on the last turn, after first clearing the surrounding area and defeating the zombies (both "packs") and ghosts (I defeated them using cheats, so I don't know about the ghosts... zombies aren't a problem for a Haven unit with a magic weapon). In the end, the parameters were 6111. I took it with the condition of 1 morale for the Goblins (in the first round) and either no morale or 1 morale for the Griffins - the remaining army was 21 Goblins + 1 Angel. The arrangement was: 1 Goblin, 4 Orcs, 18 Wolf Riders, 54 Goblins, 1 Goblin, 2 Orcs, 1 Goblin.
Of course, it's possible to do better; I just tried it quickly. :o
In a real game, I wouldn't rush; I'd wait another day. I think so =// besides, Harpies and the Haven Ballista are not compatible. xDD