I do however lose more often when the rules force me to use low mana cards.
You are right about the personal preferences, and I also agree that it's important what EDITION cards are making your decks! I have begun to play the game when Beta cards were "active", so most of my packs are from that edition, but I try to add some of good new cards... But, definitely, there are differences between editions...
Large mana cost front-line tank has sense in battles with "regular" mana cap, but in these, low mana rules, we have to improvise more :)
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