Saw this on some other forum and figured would be fun to try here.
so the game is you create a card, and then you give a name for the next card. Next poster will have to make up a card with that name and give name for next card, and so on.
Pandora's Box 4
Artifact
4, Sacrifice Pandora's Box: Each player reveals the top cards from his library until 4 permanent cards are revealed. Each player puts all permanent cards revealed that way into the battlefield without paying their mana cost, then shuffles his library.
Next card: Illusionary Weapon