History
A planet wide casino with numerous ventures and distractions. It was one of the largest casinos in the known universe. Every day, enough money came through the casino to buy a planet. The casino was hustled by Wolverine and Kid Omega to get funds for the Jean Grey School. [1]
Bets were made on Sin for which planet the Phoenix Force would annihilate on its way through the Universe. [2] Sin was the planet where Loki recovered one of the keys necessary to open the vault of the sword Gram, by cheating in a cards game against Snarrrdax, being one of the things wagered said key.[3]