Darkness Energy - 121/123 - Common - Reverse Holo Tweet NM-Mint, limit 8 $3.00 / $3.60 credit Buy this product instead Note: Prices subject to change at any time. We reserve the right to limit quantities. Read More Details Set: Heartgold Soulsilver Card Number: 121/123 Rarity: Common Card Type: Basic Energy Name: Darkness Energy Finish: Reverse Holo Manufacturer: The Pokemon Company