Cosmic Convention is a metagame to be played at conventions; first created for Consummation, but also played at TowerCon and one or two other UK conventions.
Rules
The power of chaos - each guest at Consummation will be issued with one Cosmic Encounter-style power, which may be used in any game played at the con - if all other players agree. We will try to choose powers which are interesting and perhaps add a little bit of chaos, but are not totally unbalancing. If your power would unbalance the game you are in, please don't use it - or find a different game!
The power of courtesy - clearly, use of these powers is optional. If anybody at your table doesn't want to use the powers, then please respect their wishes. Also, we suggest you check all the powers in play at the start of a game, and try to resolve any potential conflicts before the game starts. Finally, all of the powers are likely to be useless in some game or another; we're afraid you're either going to have to live with it, or choose your games carefully!
The power of mutability
Powers may be freely traded
At the start of the convention, you will be allocated one power, but this is not a limit. If you can accumulate more, feel free to use them!
At the end of a game, the winner may trade one of his/her powers with a power of his/her choice belonging to any other player in the game.