Pulsewave Harpoon - Rainbow Foil Tweet Out of stock. Wishlist Details Card Effect: When this attacks a hero, they reveal X cards from their hand, where X is the number of times you've boosted this combat chain. Choose an action card with Armor less than or equal to X then add it to this chain link as a defending card. boost Card Name: Pulsewave Harpoon Card Number: DYN090 Card Sub-type: Attack Card Type: Action Class: Mechanologist Cost: 1 Defense Value: 3 Finish: Rainbow Foil Pitch Value: 1 Power: 4 Rarity: Majestic Set Name: Dynasty