He starred alongside former co-star Steve Carell in the Don Scardino-directed comedy film The Incredible Burt Wonderstone (2013). Carrey played Steve Gray, a dangerous street magician who overshadows the formerly successful magician Burt Wonderstone (played by Carell). The film was released in March 2013 to mixed reviews and underperformed significantly at the box office, grossing just over $27 million on a $30 million budget.
In March 2013, Carrey announced that he had written a children's book titled How Roland Rolls, about a scared wave named Roland. He described it as "kind of a metaphysical children's story, which deals with a lot of heavy stuff in a really childish way." Carrey self-published the book, which was released in September 2013.
On March 25, 2013, Carrey released a parody music video with Eels through Funny or Die, with Carrey replacing Mark Oliver Everett on vocals. The song and video, titled "Cold Dead Hand" and set as a musical act during the variety program Hee Haw, lampoons American gun culture, and specifically former NRA spokesperson Charlton Heston.
After being the girlfriend of Carrey, Cathriona White married Mark Burton in 2013. They continued being married until she died. On September 19, 2016, Burton filed a wrongful death lawsuit against Carrey, claiming that he had used his "immense wealth and celebrity status" to illegally obtain and distribute prescription drugs involved in White's death. Carrey released a statement the following day: