Yugioh Single
Mirror Wall (SBCB-EN193) - Speed Duel: Battle City Box 1st Edition
$0.50
null / Continuous Trap
TRAP
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.