Only-XL - I wouldn't recommend it; in my opinion, it's the most boring thing in Heroes.
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With the introduction of the XL map overhaul on HOT, they've become quite lively again; even the "garbage" spider map from the Sod version has been transformed and become a pretty good template.
6lm10a (min) is also a perfectly decent option; my friends and I regularly play it, and the mirrored version of the HOT map is much more dynamic and interesting than the Sod version.
But now we have a self-proclaimed king who says that it's all bad. We should only play what he likes, like a poker player on PokerStars.
With your Diamonds and Jades, when they're overused even more, it won't make sense to play at all. You can just open the map, see who has the better hand, and award the victory.
All that's left is to wait for a template for three players, like Mt_spin_and_go 3xm200aa :confused: by Wicc