Thrillers and horror films use coin flips, roulette wheels, and rigged games to...

https://ariasmastercolumns.cloudhinter.com/posts/needful-things-themes-explained-in-plain-language

Thrillers and horror films use coin flips, roulette wheels, and rigged games to ramp up dread by handing fate to chance and cruelty. In *No Country for Old Men*, a coin flip decides life or death, stripping control from characters and viewers alike