Evilswarm Exciton Knight (LVAL-EN056) (LVAL)Number: LVAL EN056 Rarity: Secret Rare Attribute: LIGHT Monster Type: Fiend Card Type: Xyz Effect Monster Attack: 1900 Defense: 0 Description: 2 Level 4 monsters Once per chain, during your Main Phase or your opponent's Battle Phase, if your opponent has more total cards in their hand and their side of the field than you do: You can detach 1 Xyz Material from this card; destroy all other cards on the field, also your opponent takes no further damage