Lavalval Chain (Quarter Century Secret Rare) (RA04-EN162) [Quarter Century Stampede]

2 Level 4 monsters<br>Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects;<br>• Send 1 card from your Deck to the Graveyard.<br>• Choose 1 monster from your Deck and place it on top of your Deck.