|Phantom Knights' Dagger|
|Card type||Spell Card|
LoreEquip only to a "The Phantom Knights" monster, but if you control 3 or more Set cards, you can also equip this card to a DARK Dragon Xyz Monster you control. If the equipped monster battles a Defense Position monster, inflict piercing battle damage to your opponent. If the equipped monster's attack is negated: Inflict 500 damage to your opponent.