Evilswarm Exciton Knight [LVAL-EN056] Secret Rare Soul Fusion You can only use this

You can only use this effect of "Legion the Fiend Jester" once per turn

If you control no monsters

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 You must Tribute 3 monsters to Normal Summon this card (you cannot Set this card)

Set: The Dark Side of Dimensions Movie Pack Card type: Spell Card Rarity: Ultra Rare When this card is activated: You can target 1 "Cubic" monster you control

Evilswarm Exciton Knight [LVAL-EN056] Secret Rare Soul Fusion You can only use thisSet: Legacy of the Valiant Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 1900 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).