=Lizard=
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I would suggest the following:
SOD - Diamond, m200, Mini-Nosta, +1/+2 (to ensure SOD has template parity)
WT under SOD - Sm-ka, Jeb, mm6
Mirror - Full
We can always agree on the version on the spot, I think.
SOD players will have parity/advantage in templates, and the WT player will have the option to choose which template to play on in SOD.
For now, I like Zhenya's option the most. I don't see any major drawbacks or imbalances.
The location is indeed 30km from Minsk. That's half an hour to the city center. The distances here aren't as vast as in Russia. And the additional advantages are obvious: nature, significantly lower prices for comparable quality compared to the city center, etc. I chose based on a combination of factors and spent more than a day on it. I guarantee that, in terms of characteristics/price/quality, this is, if not the best, then one of the best options in Minsk and its surroundings.