OP02-EN012 – Armor Ninjitsu Art of Freezing – Super Rare – Unlimited Edition

When an opponent’s monster declares an attack, if you control a ‘Ninja’ monster: You can flip this card face-up; negate that attack and end the Battle Phase. While this card is face-up on the field and you control a ‘Ninja’ monster, monsters your opponent controls cannot change their battle positions.