Clan practice.

You're wondering what the title means? Well, I was just tossing the thought around with my clan and they think the idea is a good one. A mode could be added to where your own clan mates can attack your base. Some people are going to reply; "That's what the multi-player search is for." I understand that but hear me out on this. You build up a new base and you're wanting to see how it goes against people in attacks. So, you ask one of your clan mates to attack your base a certain way, but, you didn't like the outcome so you ask them to attack you again. You don't gain anything, excluding knowledge on how your base will hold up against a certain attack, and they don't gain or lose anything. The army comp they spend attacking you isn't wasted on the attacks so they don't lose anything. Now, they can't just do an all wall breaker attack because they'd still have that army comp to use in the real multi-player and it'd be a waste to just simply remove them.