This is actually my main concern with this proposal. I agree with the basic premise that playing against real players is preferred. However if there aren't enough players online during the time frame you are playing then you can't play. At least with the bots there is always someone/thing to play against.

One thing that could be done is apply the summoner level limit to all cards for each league rank. Just as summoner levels are reduced then all card levels would be reduced. This could make it easier for new players or maybe not????

I am sure there is another way to equalize the playing field without reducing the number of opponents available to battle.