Cards are items that appear in Angry Birds 2. When you play a level, the first three cards appear at the bottom left of the screen with the other cards on the main deck faced down. The cards are the birds or spells that you will choose for the next shot. Choose one by tapping the first three cards, just like choosing the birds in Angry Birds Stella's pig sightings levels. However, it is used to attack the pigs.
If the player runs out of them, they will either watch a video for a free bird once or be charged with × 60 for additional 3 cards (For more than once, it will be multiplied by the number of time(s) to revive. Otherwise the level is failed and you lose a life.
As you level up a bird or spell, its card will change in appearance.