Prismatic Secret Rare
Add 1 "Noble Knight" monster or 1 "Noble Arms" card from your Deck or GY to your hand. If your "Noble Knight" monster equipped with a "Noble Arms" Equip Spell is destroyed by battle and sent to the GY, while this card is in your GY: You can add this card to your hand. You can only use 1 "Heritage of the Chalice" effect per turn, and only once that turn.
Heritage of the Chalice