Advanced format ruling
Mystical Knight of Jackal
Card effect (current official text)When this card destroys 1 monster on your opponent's side of the field and sends it to your opponent's Graveyard as a result of battle, you can then return the card to the top of your opponent's Deck.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.