Memory Loss

Yu-Gi-Oh Card: Memory Loss
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Memory Loss
Type:Normal Trap
Text: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.
Printings: 2014 Mega-Tin Mega Pack (MP14-EN045)
Battle Pack 2: War of the Giants Round 2 (BPW2-EN096)
Battle Pack 3: Monster League (BP03-EN229)
Lord of the Tachyon Galaxy (LTGY-EN070)