Book of Moon [TU07-EN001] Ultra Rare Elemental Hero Collection 1 while they have 4 or

while they have 4 or more cards in their hand

Take control of it until the End Phase

Set: Star Pack 2014 Card type: Xyz/Effect Monster Rarity: Starfoil Rare Attack: 1800 Defense: 2300 2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up Attack Position monster your opponent controls

Set: Duel Terminal 3 Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1000 This card gains 200 ATK for each face-up "Dragunity" card you control

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 This card cannot be Special Summoned

Book of Moon [TU07-EN001] Ultra Rare Elemental Hero Collection 1 while they have 4 orSet: Turbo Pack: Booster Seven Card type: Quick Play Spell Rarity: Ultra Rare Target 1 face up monster on the field; change that target to face down Defense Position.