Exarion Universe [CT2-EN002] Secret Rare Case Select 1 card among them

Select 1 card among them and return it to his/her Deck

then target 1 "Noble Knight" Xyz Monster you control

If this card is Xyz Summoned using an Xyz Monster as Material

During either player's turn: You can target 1 "Noble Arms" Equip Spell Card and 1 appropriate monster on the field

If this card is sent to the GY: You can target 1 "Shaddoll" Spell/Trap in your GY

Exarion Universe [CT2-EN002] Secret Rare Case Select 1 card among themSet: 2005 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 1900 You can only activate this effect during a Battle Step of your turn. Decrease the ATK of this card by 400 points, then during battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent's Life Points. This effect continues until the End Phase of