Iron Rain

You call forth blades from the Plane of Metal, creating piercing daggers that shoot down from the sky. These blades deal 6d4 piercing damage and 3 persistent bleed damage to all creatures in the area. As the rain dissipates, the ground is littered with hundreds of knives, creating difficult terrain that lasts for the duration of the spell. Any creature that's within the difficult terrain can Interact to pick up one of the knives and wield it as a mundane dagger.