Rivals, unbalanced and doomed to fail
The reason other rts games can be balanced is you have the full range of units at your disposal. Rivals specifically precludes that. It is far to easy to make a comp that is near impossible to counte...
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Bear in mind that the small deck size makes it that much harder to create a build that's impossible to counter. I tried. :P You can't create a build that is great at literally every situation, the best you can do is make a build that handles the majority of situations reasonably well, but even then you sacrifice being able to pull off some epic min-maxed combos.
