If you've ever played the card game bullshit, you know the magical moment when you realize that your remaining cards make you invincible and carry you to the end of the game.
From your starting hand, there are some cards that you need to place. If someone else places any of those cards down on an empty table (not on top of an existing stack), you can freely call bullshit with no penalty. You're picking up cards you needed anyways!
I created this simple calculator to show you which cards you can freely call bullshit on without increasing your time to win.
Pick the cards you have:
No cards to play!