Advanced format ruling
Ghost Knight of Jackal
Card effect (current official text)You can Special Summon an opponent's monster that is destroyed and sent to the Graveyard by this card as a result of battle to your side of the field in face-up Defense Position.
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.