Fabricated Sword of the King, Zulfiqar Replica (U)

[Equip Cost] [Pay 1 life] If a card with "Sword of the King" in its card name other than "Fabricated Sword of the King, Zulfiqar Replica" on your field would leave the field, you may put this card from your field into your drop zone. If you do, one of those cards remains on the field. If there are four or more 《Hero》 on your field, this card gets [Penetrate].