Stack the deck - When you arrange something in such a way that it is not fair with the rules and regulations and in fact promotes cheating and partiality, we call it stacking the deck.
1. Raima stacked the deck for Raju to win the game.
2. I don't want to stack the deck for you, it's you who will do everything on your own.
3. Please do something, stack the deck so that I can get my uncle's diary.