Mission construction challenge

By Jarema, in Imperial Assault Skirmish

There is a lot of skirmish missions for 2 players, and a bunch of them for 4 players.

But there are no missions for 3 players.

Therefore, I would like to start a challenge: create mission for 3 players!

I think that such mission could be rated on three aspects:

(1) Balance. Including following questions:

(a) do all players have equal chances for winning?

(b) do all players have equal acces to each other, or is one forced to fight on two sides while others are not?

(c) does the map support different armies and playing styles (e.g. creatures list, melee army, long-range units)?

(2) Novelty. Is the mission/map merely a copy of already existing ones? Almost a copy?

(3) Fun. The harder aspect to measure. Partialy result of novelty and balance.

What you guys think? can anyone try to create balanced, novel, and fun map with 2 missions for 3 players?