Evilswarm Exciton Knight [MP14-EN224] Secret Rare Reverse Holofoil even during the Damage Step:

even during the Damage Step: You can add up to 3 "Purrely" Quick-Play Spells with different names from your GY to your hand

Set: Neo Revelation 1st Edition Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

●Only LIGHT: Special Summon 1 monster from your GY in Defense Position

Set: EX: Unseen Forces Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Set: World Championships 2012 Type: Stadium Rarity: Uncommon

Evilswarm Exciton Knight [MP14-EN224] Secret Rare Reverse Holofoil even during the Damage Step:Set: 2014 Mega Tins Mega Pack 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).