Graceful Dice [SS02-ENB16] Common Card Sleeves You can only activate 1

You can only activate 1 "Spellbook of Knowledge" per turn

Set: 2018 Mega-Tins Mega Pack Card type: Xyz/Effect Monster Rarity: Super Rare Attack: 1800 Defense: 100 2 Level 1 monsters You can detach 1 Xyz Material from this card

by banishing Fusion Materials listed on it from their hand or field

then you can reveal 1 "Dark Magician" or 1 Spell/Trap that specifically lists the card "Dark Magician" in its text

Special Summon it to a zone this card points to

Graceful Dice [SS02-ENB16] Common Card Sleeves You can only activate 1Set: Speed Duel: Duelists of Tomorrow Card type: Quick Play Spell Rarity: Common Roll a six sided die. All monsters you currently control gain ATK and DEF equal to the result x 100, until the end of this turn.