Lottery

The Lottery was a game in which people could win money.

History
The lottery was a popular game on Earth in the 20th and 21st century, but by the 44th century, it did not exist. (DW: A Christmas Carol)

In 2005, Rose Tyler was told to take Wilson's lottery winnings to him in the basement, which resulted in her meeting the Doctor.

In 2007, the Doctor posted a lottery ticket through the letterbox of a teacher in order to gain access to Deffry Vale High School. (DW: School Reunion)

Before he regenerated, the Doctor gave Donna Noble the wedding gift of a lottery ticket, which he purchased using money from her late father. Donna said it was a cheap present, but noted that it was a triple rollover that weekend. (DW: The End of Time)

When needing to gain access to Kazran Sardick without the interference of his staff, the Doctor arranged for them to win the lottery, even though it did not exist. The Doctor simply called them very lucky. When Kazran ordered him out, and he travelled back to Kazran's childhood, the Doctor acted as his babysitter, after his usual babysitter won the lottery, even though it did not exist, even back then. (DW: A Christmas Carol)