What is the crucial card in the game of HeArts?

More Questions:

Which country has been donating London's Trafalgar's Square's Christmas tree since 1947?

What kind of blood is dumped on Stephen King's "Carrie"?

What children's classic first chapter is titled "The Shifting Reef"?

What country is directly north of the continental United States?

In which US state is the Grand Coulee Dam?

Which US state is nicknamed the "Pelican State"?

Who did Sigourney Weaver portray in the 1988 film "Gorillas in the Mist"?

What was the first American film to show a toilet flushing?

What double-word song title was a hit single by Naked Eyes?

In 1906, who became the first American to win the Nobel Peace Prize?

When was Queen Elizabeth II born?

In which war was the battle of Naseby?

When was Albert Einstein born?

The Balfour Declaration was published in what year?

In Greek mythology, what were Medusa, Stheno and Euryale collectively known as?