Evilswarm Exciton Knight

XYZ Monster · Fiend · LIGHT · ★4

ATK 1900/DEF 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 field than you do (Quick Effect): You can detach 1 material from this card; destroy all other cards on the field, also your opponent takes no further damage this turn.”