Dark Scorpion - Gorg the Strong (GLD5-EN011) [Gold Series: Haunted Mine]

When this card inflicts Battle Damage to your opponent's Life Points, you can select and activate 1 of the following effects: // * Return 1 Monster Card on your opponent's side of the field to the top of its owner's Deck. // * Send 1 card from the top of your opponent's Deck to the Graveyard.