Yu-Gi-Oh Card: Mordschlag
Available from these partners:
Type:Equip Spell
Text:Equip only to a Normal Summoned/Set monster you control. It is unaffected by your opponent's activated effects of Special Summoned monsters. During damage calculation, if the equipped monster battles an opponent's Special Summoned monster: That opponent's monster loses ATK/DEF equal to the equipped monster's original ATK, during that damage calculation only.
Printings: 2020 Tin of Lost Memories (MP20-EN081)
Dark Neostorm (DANE-EN065)