Match the top card on the DISCARD pile either by color or content. For example, if the card is a Green 7 (pic #1), you must play a Green card (pic #2), or a 7 card with another color (pic #3). Or, you may play any [wild] (pic #4) or [wild +4] (pic #5) card. If you don't have anything that matches, or you just don't want to play any of your playable cards, you must pick a card from the DRAW pile. If you draw a card you can play, you may play it immediately. Otherwise, play moves to the next person.