Professor Cozmo's Discovery - 076/082 - Uncommon Tweet Out of stock. Wishlist Details Set: Clash of the Blue Sky Card Number: 076/082 Rarity: Uncommon Illustrator: Ken Sugimori Retreat Cost: 0 Card Type: Trainer Name: Professor Cozmo's Discovery Attack #1: Do Nothing - At the beginning of your turn, flip a coin. If heads, you can do nothing during your turn. If tails, your opponent can do nothing during his or her next turn.
