Edison format ruling
Dark Mirror Force
Card effect (current official text)When an opponent's monster declares an attack: Banish all Defense Position monsters your opponent controls.
Rulings
- Dark Mirror Force doesn't stop the attack.
- Both face-up and face-down Defense Position monsters are removed from play.
- You can't activate Dark Mirror Force if your opponent doesn't have any Defense Position monsters.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.