Hammer Spark - ST2-13 (Tamer's Evolution Box) - Foil Tweet Out of stock. Wishlist Details Card Number: ST2-13 Rarity: C Finish: Foil Art Style: Normal Card Name: Hammer Spark Card Type: Option Color: Blue Effect: [Main] Gain 1 memory. Play Cost: 0 Security Effect: [Security] Gain 2 memory.