What is uno ideas for blank cards?

Uno is a popular card game that involves matching cards. Blank cards are often included in the deck, and players can write in their own rules or challenges. Here are some ideas for blank Uno cards:

1. Swap Hands: Swap your hand with the player next to you.
2. Draw 5: The next player must draw five cards.
3. Reverse: Reverse the direction of play.
4. Skip: Skip the next player's turn.
5. Wild Card: Choose the color for the next player to play.
6. Switch Seats: Switch seats with any player in the game.
7. Jackpot: Draw the top five cards from the draw pile and add them to your hand.
8. All Change: Every player must change their hand with the player to their left.
9. Perfect Match: Pick another player and swap hands until you both have a perfect match.
10. Time Warp: Play the next five rounds in reverse order.