Card Rulings:Atomic Scrap Dragon

TCG Rulings

 * The effect to return cards to the Deck targets 1 card you control and up to 3 cards you opponent controls.
 * You cannot target 0 cards if you activate this effect.
 * If you cannot destroy your card then you cannot return the opponent's cards.
 * If your opponent has control of your card when this effect resolves, you cannot destroy it so you cannot return the opponent's cards.
 * If 1 of the cards you targeted in your opponent's Graveyard is no longer there when this effect resolves, you still return the remaining targets to the Deck.