Abyssal Pit, Maw of the Void (DRC-096 R) [Descent into the Raven's Catacombs]

This card has the darkness magic stone type. [Enter] Search your magic stone deck for a non-Catacombs card with the light or fire magic stone type, reveal it, shuffle the rest of your magic stone deck and put the chosen card on top of it. [Rest]: Produce B. [Rest], B: Put a resonator card from your graveyard on top of your deck.