Lavalval Chain [HA07-EN019] Secret Rare

Lavalval Chain [HA07-EN019] Secret RareSet: Hidden Arsenal 7: Knight of Stars Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 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.

If that monster is the same Level as the one called by your opponent

While this card is in face-up Attack Position

or if an opponent's monster targets this card for an attack: You can return this card to the hand

during damage calculation increase the ATK of this card by the original ATK of the opponent''s monster

It gains 300 ATK

during your End Phase: You can target 2 cards in your GY

destroy all monsters your opponent's side of the field

you can reveal 1 "Iron Core of Koa'ki Meiru" in your hand to Special Summon 1 Level 4 or lower "Koa'ki Meiru" monster from your Deck

you can remove 2 Spell Counters from this card to make your opponent discard 1 random card

and their effects on the field

When this card declares an attack: You can change all Defense Position monsters your opponent controls to face-up Attack Position

this card gains ATK equal to the total original ATK of all other monsters on the field