Might of the True World

You can use this Skill's second and third effects once per duel if your Deck contains a total of 8 or more different "Libromancer" monsters. 1: You cannot Normal or Special Summon any Effect Monsters except "Libromancer" monsters (excluding Special Summons from the Extra Deck). 2: Reveal 1 "Libromancer" monster with 2000 or less ATK in your hand, then shuffle 1 card from your hand or field into the Deck. Add 1 Ritual Monster and 1 "Libromancer" monster from your Deck to your hand. 3: If only your opponent controls a monster, Set 1 Spell/Trap Card. (This card can be activated the same turn.).