Chaos Emperor Dragon - Envoy of the End [IOC-EN000] Secret Rare RC29 during your Standby Phase

during your Standby Phase

then Special Summon that monster from your Extra Deck

Set: Sun & Moon: Unbroken Bonds Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

Set: Welcome to Rathe Edition: Alpha Print Finish: Cold Foil Type: Equipment Subtype: Legs Rarity: Common Class: Ninja Attack Reaction - Destroy Breaking Scales: Target attack action card with combo gains +1 [Power]

Set: Battle Pack: Epic Dawn Card type: Effect Monster Rarity: Rare Attack: 100 Defense: 100 During your Standby Phase

Chaos Emperor Dragon - Envoy of the End [IOC-EN000] Secret Rare RC29 during your Standby PhaseSet: Invasion of Chaos Card type: Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 2500 This card can only be Special Summoned by removing 1 LIGHT and 1 DARK monster in your Graveyard from play. Pay 1000 of your Life Points to send all cards in both players' hands and on the field to the Graveyard. Inflict 300 points of damage to your opponent's Life Points for each card that is sent to the Graveyard by this effect.