Betrayal of the Master - BT7-045 - C - Foil Tweet Out of stock. Wishlist Details Finish: Foil Rarity: C Set Name: Series 7 - Assault of the Saiyans Card Name: Betrayal of the Master Card Number: BT7-045 Color: Blue Energy(Color Cost): 1(B) Skill: [Activate:Main] Choose 1 of your opponent's Battle Cards with an energy cost greater than or equal to your opponent's energy and return it to its owner's hand. Type: Extra