Since most jazz clubs were decorated in black and white in the 20 s and 30 s, stick with that. You can create an arch entrance out of the same material, lay down a gold runner, fill the room with black and gold balloons and add gold palm trees as you would find in the desert. I know you ve been to a magic party at least once in your life. And you probably had a great time. Hire some strolling magicians to walk through the party while it is in progress.
Top hats make for great inexpensive centerpieces.
But, this is one theme that s always a hit. Have the committee get prizes donated and distribute play money to all that attend. They can then use their winnings to buy things in a souvenir shop or for a raffle. Pass out chocolate dice, dice beads and other favors. Decorate with dice balloons, oversized playing cards, hearts, spades, diamonds and clubs.