Have your team came with one strategy that works only vs specific team composition and gameplay and you are afraid you can't beat any other strat?
How about setting heroes, their roles, lanes and starting items? So its just a fair game?
“Do you want to know why I use a knife? Guns are too quick. You can't savor all the... little emotions. In... you see, in their last moments, people show you who they really are. So in a way, I know your friends better than you ever did. Would you like to know which of them were cowards?”