"Stacked cards" is a common phrase that refers to unfair or biased circumstances. There are several synonyms for this phrase that can be used in different situations. One of the most common ones is "rigged deck," which refers to a deck of cards with specific cards arranged in specific order to cheat in a game. Another synonym is "loaded dice," which can be used to describe someone cheating in a game by using dice with weighted sides. Other synonyms include "fixed game," "crooked game," and "set up." These phrases are often used to describe situations where someone is manipulating circumstances to gain an unfair advantage.