Card Rulings:Strength of Prophecy

OCG Rulings

 * This effect targets 1 Spellcaster-type monster. Also, it can target itself or Spellcaster-type monsters the opponent controls.


 * This effect can't target Spellcaster-type Xyz Monsters.


 * Returning a "Book of Spell" Spell Card to the Deck is a cost.


 * The affected monster has its ATK and level increased as long as it remains face-up on the field.


 * If the same monster is affected multiple times by this effect, its ATK and level are increased accordingly.


 * If at the time of the resolution or after the effect has resolved the targeted monster is no longer a Spellcaster-type, the effect is still applied.