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

You can only use this effect of "Beginning Knight" once per turn

If your opponent Special Summon a monster(s) (except during the Damage Step): You can add 1 "Ursarctic" card from your Deck to your hand

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: Neo Discovery 1st Edition Type: Water Rarity: Common Retreat cost: Colorless

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.