Zombie World [DUOV-EN091] Ultra Rare Turbo Pack Booster One Pack or when an opponent's monster

or when an opponent's monster declares an attack (Quick Effect): You can activate this effect

Set: Gold Series 2008 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Activate only when there are 4 or more monsters on the field

Set: Legendary Duelists: Ancient Millennium Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1200 When this card is Summoned: You can place 1 "Crystal Beast" monster from your hand

Set: Absolute Powerforce Card type: Normal Trap Rarity: Super Rare Attack: 0 Defense: 0 Activate only while you control a face-up X-Saber monster

Set: Structure Deck: Emperor of Darkness Card type: Effect Monster Rarity: Super Rare Attack: 800 Defense: 1000 If this card is Normal or Special Summoned: You can Special Summon 1 monster with 800 ATK and 1000 DEF from your Deck in Defense Position

Zombie World [DUOV-EN091] Ultra Rare Turbo Pack Booster One Pack or when an opponent's monsterSet: Duel Overload Card type: Field Spell Rarity: Ultra Rare All monsters on the field and in the GYs become Zombie monsters. Neither player can Tribute Summon monsters, except Zombie monsters.