2 Level 4 Fire Fist monsters

You can detach 2 Xyz Materials from this card, then target 2 “Fire Fist” “Fire Formation” cards in your Graveyard and or face-up on your side of the field, and 2 cards in your opponent’s Graveyard and or face-up on their side of the field; shuffle those targets into the Deck. You can only use the effect of “Brotherhood of the Fire Fist – Cardinal” once per turn.