Thrillers and horror lean on coin flips, rigged games, and contracts to build...

https://claytonsnewblog.tearosediner.net/horror-movies-where-someone-wealthy-watches-people-suffer-exploring-class-content-horror-and-the-sadistic-spectators-trope

Thrillers and horror lean on coin flips, rigged games, and contracts to build dread by forcing characters into brutal bets with fate. Think of No Country for Old Men, where a coin toss doubles as a death sentence