When this card resolves, all monsters your opponent controlled when this card was activated are changed to face-down Defense Position. Monsters your opponent controls cannot change their battle positions. Destroy this card during your 2nd Standby Phase after activation.
![Swords of Concealing Light [BP02-EN147] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/8f0f0408-d1d5-5ef1-b6e5-eb5f722cf74f_85cf7844-6e95-4375-b828-a5dff3cc136a.png?v=1698536963&width=1445)