Book of Moon [SDDC-EN029] Common Xyz/Pendulum/Effect Monster and WIND-Attribute

and WIND-Attribute

the ATK and DEF of all face-up monsters your opponent controls become half their current ATK and DEF (even if this card leaves the field)

Declare 1 Monster Type

Set: The Dark Side of Dimensions Movie Pack: Gold Edition Card type: Effect Monster Rarity: Gold Rare Attack: 1600 Defense: 1000 Once per turn: You can discard 1 Spellcaster-Type monster

Book of Moon [SDDC-EN029] Common Xyz/Pendulum/Effect Monster and WIND-AttributeSet: Structure Deck: Dragons Collide Card type: Quick Play Spell Rarity: Common Attack: 0 Defense: 0 Target 1 face up monster on the field; change that target to face down Defense Position.