Why are we discussing beating up neutral creatures...?
Here's a save before the final battle. What's the optimal strategy for both sides, and who will win with proper battle management?
Playing on TE-Light.
Attacked in a quick battle upon the first load – the victory goes to the Swamp creature, but that's because it's a quick battle.
If the blue side casts Haste after any magic from the red side, I'm betting on the blue side winning.