Training your dog to play dead can be a simple task, if you do it right. Dogs love to be rewarded. In this case, the reward is food.
Use back channeling and a simple reward to teach your dog this trick. Each motion in the trick is a simple step, lying down, for instance. Get your dog to perform the simple tasks and then string them together.
If you can get your dog to play dead, then it will be a hit for your next party.