You can reveal 1 Ritual Monster in your hand: Special Summon this card from your hand. You can target 1 “Libromancer” card in your Graveyard, except “Libromancer Agent”; add it to your hand, then if you added a Spell/Trap by this effect, place 1 card from your hand on the bottom of the Deck. You can only use each effect of “Libromancer Agent” once per turn.
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