Cyber Dragon [TN23-EN005] Quarter Century Secret Rare Dark Crisis You can only use this

You can only use this effect of "Chaos Dragon Levianeer" once per turn

or Extra Deck to this card as material

If this card leaves the field: Destroy all monsters your opponent controls

OR: Unequip this card and Special Summon it

During your Main Phase: You can destroy as many cards in the Field Zones as possible (min

Cyber Dragon [TN23-EN005] Quarter Century Secret Rare Dark Crisis You can only use thisSet: Dueling Heroes Collectors Tin (25th Anniversary Edition) Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 2100 Defense: 1600 If only your opponent controls a monster, you can Special Summon this card (from your hand).