The Grand Spellbook Tower [ABYR-EN060] Secret Rare Unhinged −7: Search your library for

−7: Search your library for any number of Elf creature cards

but my host would casually push it down before I could make out what it was

Then shuffle that player's library

you can Special Summon 1 Level 4 or lower Gemini monster from your Deck

The Grand Spellbook Tower [ABYR-EN060] Secret Rare Unhinged −7: Search your library forSet: Abyss Rising Card type: Field Spell Rarity: Secret Rare Attack: 0 Defense: 0 Once per turn, during your Standby Phase, if you have a Spellcaster Type monster on your side of the field or in your Graveyard: You can return 1 "Spellbook" Spell Card from your Graveyard to the bottom of your Deck, except "The Grand Spellbook Tower", then draw 1 card. When this card is destroyed by your opponent's card and sent to the Graveyard: You can Special Summon