Examples:

• This house of cards is built entirely on her consent.
• But this house of cards is on very shaky ground.
• Look, this whole area is a house of cards.
• This whole system becomes a house of cards.
• But I can't live in this house of cards anymore,
• This house of cards couldn't keep us for five minutes.
• The structure smacks of a house of cards.
• But you don't understand that this entire operation is a house of cards.
• In 2008, the house of cards collapsed.
• The whole thing's a house of cards.