Question: what are the uno attack cards?
Answer: 18 Blue cards - 1 to 9. 18 Green cards - 1 to 9. 18 Red cards - 1 to 9. 18 Yellow cards - 1 to 9. 8 Hit 2 cards - 2 each in blue, green, red and yellow. 8 Reverse cards - 2 each in blue, green, red and yellow. 8 Skip cards - 2 each in blue, green, red and yellow.