Red Cocoon [HSRD-EN026] Common Legendary Hero Decks Set: Legendary Collection 5D's Card

Set: Legendary Collection 5D's Card type: Synchro/Effect Monster Rarity: Super Rare Attack: 2600 Defense: 2600 1 Fiend-Type Tuner + 1 or more non-Tuner monsters When this card declares an attack: You can switch the current ATK and DEF of all face-up monsters your opponent controls

when this card that was Tribute Summoned by Tributing an "Ancient Gear" monster battles an opponent's monster

Then Xyz Summon

You can only use each effect of "Neptabyss

Red Cocoon [HSRD-EN026] Common Legendary Hero Decks Set: Legendary Collection 5D's CardSet: High Speed Riders Card type: Normal Trap Rarity: Common Target 1 Dragon Type Synchro Monster you control; equip this card to it. If it battles an opponent's monster, negate the effects of all face up monsters your opponent controls until the end of the Damage Step. During the End Phase, if this card is in your Graveyard because it was sent there this turn: You can target 1 "Red Dragon Archfiend" in your Graveyard; Special Summon it.