Sneak Attack (Yellow) Tweet Out of stock. Wishlist Details Card Effect: If you've played or activated an attack reaction this chain link, Sneak Attack has +4 Power. Card Name: Sneak Attack (Yellow) Card Number: OUT019 Card Sub-type: Attack Card Type: Action Class: Assassin Cost: 2 Defense Value: 2 Finish: Regular Pitch Value: 2 Power: 2 Rarity: Rare Set Name: Outsiders