Spellbook of the Master [CBLZ-EN062] Secret Rare Ghost Rare If Summoned this way

If Summoned this way

If the monster is a Flip Effect Monster

but the closer you get the more you'll find that they're truly nefarious

but its original ATK and DEF become halved

monsters on your opponent's side of the field cannot change their Battle Positions

Spellbook of the Master [CBLZ-EN062] Secret Rare Ghost Rare If Summoned this waySet: 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.