load the dice against someone

load the dice (against one)

To rig something so that the outcome is predetermined to put one at a disadvantage. It's the first democratic election in the region in over 50 years, but it's all a sham—the military has loaded the dice so that they'll remain in power. It's no use trying to get justice against a company that big. They have so much power and influence that they've already loaded the dice against you.
See also: dice, load
Farlex Dictionary of Idioms.

load the dice against (or in favour of) someone

put someone at a disadvantage (or advantage).
1995 Maclean's What global warming has done is load the dice in favor of warmer-than-normal seasons and extreme climatic events.
See also: dice, load, someone
Farlex Partner Idioms Dictionary
See also:
  • load the dice
  • load the dice (against one)
  • stuff the ballot box
  • rig up
  • operate
  • operate against
  • operate against (someone or something)
  • short end of the stick
  • short end of the stick, the
  • the short end of the stick