Mirror Wall is a Common Trap Card card from Yu-Gi-Oh! (Speed Duel: Battle City Box, SBCB). Current market price: $0.28.
Common
Speed Duel: Battle City Box (SBCB)
Card Text
Each of your opponent's monsters that conducted an attack while this card was face-up on the field has its ATK halved as long as this card remains on the field. During each of your Standby Phases, pay 2000 LP or destroy this card.
