Evilswarm Exciton Knight [LVAL-EN056] Secret Rare BT14-014 during the Standby Phase: Increase

during the Standby Phase: Increase this card's Level by 1

Corrupted Metalcraft — As long as you control three or more artifacts and an opponent has three or more poison counters

This card cannot be Special Summoned except by removing from play 2 "Six Samurai" monsters from your Graveyard

you may play 1 [Diaboromon] Token without paying its memory cost

and the forest was rising

Evilswarm Exciton Knight [LVAL-EN056] Secret Rare BT14-014 during the Standby Phase: IncreaseSet: 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).