Lavalval Chain

Xyz/Effect Monster · Sea Serpent · FIRE · ★4

ATK 1800/DEF 1000

“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.”