Lavalval Chain 
80
Level 4 FIRE/Sea Serpent Xyz Effect1800 ATK / 1000 DEF
2 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects;
● Send 1 card from your Deck to the Graveyard.
● Choose 1 monster from your Deck and place it on top of your Deck.
Printings:
Duel Terminal 7a: DT07-EN035 (Duel Terminal Ultra Parallel Rare) - 2012-09-28Hidden Arsenal 7: Knight of Stars: HA07-EN019 (Secret Rare) - 2013-04-26
Premium Gold: Return of the Bling: PGL2-EN044 (Gold Rare) - 2015-03-19
Quarter Century Stampede: RA04-EN162 (Platinum Secret Rare) - 2025-04-10
Quarter Century Stampede: RA04-EN162 (Quarter Century Secret Rare) - 2025-04-10
Prices:
Cardmarket: 0.77 €TCGplayer: $ 0.58