Spellbook of Secrets [REDU-EN057] Ultimate Rare Invasion destroy all cards your opponent

destroy all cards your opponent controls

or if this card in its owner's possession is destroyed by an opponent's card effect: You can send the top 3 cards of your Deck to the Graveyard

All Level 4 or lower monsters that can attack a face-up Elemental Hero Terra Firma you control must attack it

"Some of the other guys dared me to touch it

apply half the ATK of this card for damage calculation

Spellbook of Secrets [REDU-EN057] Ultimate Rare Invasion destroy all cards your opponentSet: Return of the Duelist Card type: Spell Card Rarity: Ultimate Rare Add 1 "Spellbook" card from your Deck to your hand, except "Spellbook of Secrets". You can only activate 1 "Spellbook of Secrets" per turn.