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Your friend was probably trying to use Crag's summons on the first turn, but couldn't because of the "Disruptor" specialization, so he jumped to the conclusion that summons are useless.
As I understand from the discussion, they were playing on the "Three Rivers" map in the Mdance edition - in addition to mentors, it also includes several dwellings of levels 4-7, which makes it possible to have doubled armies.
No! There are no such things in the replay, but maybe it's only in yours! Regarding the game, write to me in a private message, and we'll definitely play if you're not scared!