Advanced format ruling
Mecha-Dog Marron
Card effect (current official text)When this card is destroyed by battle and sent to the Graveyard, inflict 1000 damage to both players. When this card on the field is destroyed and sent to the Graveyard except by battle, inflict 1000 damage to your opponent.
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.