Edison format ruling
Magic Cylinder
Card text as printed in this era① If an opponent's monster declares an attack: Target that attacking monster;
negate the attack, and if you do, your opponent takes damage equal to its ATK.
Rulings
- If that monster isn't face-up when this resolves, no damage is dealt.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.