Devil May Cry - Season 1 Episode 9 Death Poker

Dante is hired by a woman to deter her brother's gambling habits after her loses several rounds to Patty, the prize being strawberry sundaes. Apparently there is a gambler named King that if you lose to him you also lose your life. Dante is also invited by King to attend a game on a really fancy cruise ship. One by one the players die, Patty even pitches in a little when Dante leave for a moment, and then it is revealed that King is whoever has a necklace that is included in the invite. This necklace also causes the person to have unusually good luck. Dante dies and it is revelaed that the dealer is the cause behind of all of it. Dante comes back and kills the demon and once again loses in poker back at his office.