Zala's Forcebuckler

You touch one shield causing it to glow with magical energy.

For the duration whenever a creature equipping the shield is targeted by a Magic Missile spell, a line spell, or a spell that requires a ranged Attack roll of 3rd level or lower the creature may attempt to reflect the spell back at the caster as a Reaction.

You must succeed an ability check using your spellcasting ability modifier. The DC equals the opposing caster's DC. Upon a successful check the spell is reflected back at the caster, targeting them.