Dark Scorpion - Gorg the Strong (DCR-EN060) - Dark Crisis (25th Anniversary Edition) Unlimited

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.