You are playing for money.
Everytime a creature you controlled is sent from the battlefield to the graveyard all opponents must any amount of legal currency on Profit of Doom. If you win the game, you keep all money that was on Profit of Doom. If you lose the game the money on Profit of Doom is divided up equally amongst the winners and you must additionally pay the amount of money that was on Profit of Doom to the winners as well using money from your own pocket or wallet. If Profit of Doom exits the battlefield before the game concludes, all money on Profit of Doom is donated to a tax-deductible charity of your choice.
