Ment
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I think banning rush strategies already levels the playing field, negating the first player's advantage over the second. Unless they're both running around in the same area, and the first player, due to having one turn advantage, manages to grab some artifacts faster.
As for the resource caps, it might be a good idea. At the very least, it's worth trying. If you don't try it, it's hard to say anything about it; these kinds of changes need to be "tested."
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I like the ranking system; I think it should be implemented.