Book of Secret Arts [LOB-043] Common Stairway to the Destined Duel this card gains ATK and

this card gains ATK and DEF equal to the total ATK of all face-up Xyz Monsters your opponent currently controls (this is a Quick Effect)

if this monster battles a monster whose current ATK is different from its original ATK (Quick Effect): You can double this card's ATK during damage calculation only

Set: 2016 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 1800 When this card declares an attack: You can add 1 "Edge Imp Chain" from your Deck to your hand

You must also Tribute monsters from your hand or field whose total Levels equal 6 or more

Set: 2017 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 100 When this card is Normal Summoned: You can add 1 Spell/Trap Card from your Deck to your hand

Book of Secret Arts [LOB-043] Common Stairway to the Destined Duel this card gains ATK andSet: The Legend of Blue Eyes White Dragon Card type: Equip Spell Rarity: Common Attack: 0 Defense: 0 A Spellcaster Type monster equipped with this card increases its ATK and DEF by 300 points.