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.
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.