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

during your Standby Phase

When this card declares an attack: You can change all Defense Position monsters your opponent controls to face-up Attack Position

except "Toon Bookmark"

Set: Jungle Unlimited Type: Grass Rarity: Holo Rare

Set: Base Set Shadowless Unlimited Type: Psychic Rarity: Uncommon Retreat cost: Colorless

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.