Evilswarm Exciton Knight [LVAL-EN056] Secret Rare

Evilswarm Exciton Knight [LVAL-EN056] Secret RareSet: Legacy of the Valiant Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 1900 Defense: 0 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 this turn (this is a Quick Effect).

and equip it with this card

Set: Beta Edition Type: Instant Rarity: Rare Cost: {B} Target spell or permanent becomes black

counter it unless that player pays {3}

Enchanted creatures you control have shroud

your “Valkyrie” monsters cannot be destroyed by battle this turn

If opponent has no creatures

my head is yours

Set: Beta Edition Type: Creature — Wall Rarity: Uncommon Cost: {3}{W} Defender (This creature can't attack

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters

Special Summon this card

You can target 1 other "Number" Xyz Monster you control

you may put a quest counter on Luminarch Ascension