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.
![Armor Ninjitsu Art of Freezing [OP02-EN012] Super Rare | L.A. Mood Comics and Games](http://lamoodcomics.ca/cdn/shop/products/a4f69e11-e928-5abf-9ab3-70ca8881642f_478428aa-d6d2-4448-b0f3-48beeb0476e2.png?v=1707454481)
