Corrupted Ritual Records

Reveal 1 Ritual Spell in your hand or Deck, and add 1 monster that mentions it from your Deck to your hand. If a face-up Ritual Monster(s) you control leaves the field by card effect while this card is in your GY, and you control no face-up non-Ritual Monsters: You can add this card to your hand. You can only use each effect of "Corrupted Ritual Records" once per turn.