Memory Loss | SGX1-ENG19

Set: Speed Duel GX: Duel Academy Box
Number: SGX1-ENG19
Rarity: Common
Attribute: TRAP
Card Type: Normal Trap
Attack: 0
Defense: 0
Description: When a face-up Attack Position monster your opponent controls just activated an effect: Negate that effect, and if you do, change that monster to face-up Defense Position.