Spell caster defense

she set up a perfect line of defense. due to have 2 Magician's Valkyria on the field you can't attack no other spell caster but Magician's Valkyria but the 2nd one she summoned will protect the first one and vice verse creating the loop where you locked and can't attack with a monster. it's anime logic. they don't follow the actual rules of the real life game.

Dark Magician Girl: Not bad right?