That's right mystery boxes you send to your enemy during war which has many different outcomes like loose you're next attack or a free 3 stars. Not only can it work like that but troops are immune to all traps excluding tesla or traps do double damage to invading troops. Or it could be as little as a free 30 gems .. these would cost 250,000 gold . But the twist is the enemy has an option to open it if enemy chooses not to open gold is refunded to storages . And if you deny your box you see what you denied to see if it was a good or bad decision. . Nothing is set in stone let me know your guys ideas , setbacks or tweaks thanks ! Clash On