Spellbook of the Master [CBLZ-EN062] Secret Rare Fusion/Tuner Monster You cannot activate other cards

You cannot activate other cards or effects during the turn you activate this card's effect

you can Normal Summon/Set 1 monster in addition to your Normal Summon/Set

Your opponent cannot activate Spell or Trap Cards until the end of their 2nd turn after this card is Normal Summoned

When attacking with a monster equipped with this card

Spellbook of the Master [CBLZ-EN062] Secret Rare Fusion/Tuner Monster You cannot activate other cardsSet: Cosmo Blazer Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 If you control a Spellcaster Type monster: You can reveal 1 other "Spellbook" card in your hand to target 1 "Spellbook" Normal Spell Card in your Graveyard, except "Spellbook of the Master"; this card's effect becomes that target's effect. You can only activate 1 "Spellbook of the Master" per turn.