Chaos Emperor Dragon - Envoy of the End [IOC-000] Secret Rare Starter Deck Once per turn: You can

Once per turn: You can target 1 card on the field

its original ATK is halved until the end of the Damage Step

If this card in its owner's possession is destroyed by an opponent's card (by battle or card effect): You can target 1 Level 8 or lower DARK Dragon-Type Synchro Monster in your Graveyard

You cannot Special Summon monsters from the Extra Deck while a "Hippo Token" is in a Monster Zone

you can Special Summon as many "Mokey Mokey" as possible from your Graveyard

Chaos Emperor Dragon - Envoy of the End [IOC-000] Secret Rare Starter Deck Once per turn: You canSet: 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.