What are the special cards in Uno Flip and how do they impact gameplay?

In Uno Flip, the special cards are the Flip card and the Wild Flip card. The Flip card allows players to switch the direction of play and the color of the cards. The Wild Flip card lets the player choose the color and forces the next player to draw cards until they get a card of the chosen color. These special cards add a twist to the game and can change the course of gameplay.