Sludge (XR) - Unlimited Edition Tweet Near Mint, 4 In stock $0.25 Played, 0 In stock $0.23 Wishlist Damaged, 0 In stock $0.20 Wishlist Details Rarity: XR Control: 3 Difficulty: 5 Attack: 6 Block: 2 Card Number: 55/108 Card Text: Enhance: If you have 1 or more momentum, this attack gains Stun: 2. Enhance Ready 1 rival foundation: Ready 1 foundation. Card Type: Attack Elements: Chaos Death Water Name: Sludge (XR) Set Name: My Hero Academia: Heroes Clash Block Zone: L Speed: 4 Zone: L