Superheavy Samurai Soulpiercer (SECE-EN009) [Secrets of Eternity]

You can target 1 "Superheavy Samurai" monster you control; equip this monster from your hand or your side of the field to that target. If it attacks a Defense Position monster, inflict piercing battle damage to your opponent. If this card is sent from the field to the Graveyard: You can add 1 "Superheavy Samurai" monster from your Deck to your hand, except "Superheavy Samurai Soulpiercer".