To become your sword again, I shall release this power!
Ability / Effect:
[Call Cost] [Pay 2 gauge & Put this card on top of a monster with "Jackknife" in its card name on your field] 【Act】 If there are three or more souls in this card, you may pay 2 gauge, and put this card into your drop zone. If you do, equip a "Jackknife "Gold Ritter"" from your hand without paying its [Equip Cost]. [Soulguard]