Effect
During your Main Phase, if you have activated a "Spellbook" Spell Card previously this turn: You can Tribute this card; Special Summon 1 Level 5 or higher LIGHT or DARK Spellcaster-Type monster from your Deck. You cannot Special Summon another Level 5 or higher monster during the turn you activate this effect.
The monster effect of "Temperance of Prophecy" is an Ignition Effect that activates on the field. (It does not target. When resolving the effect, you choose 1 LIGHT Spellcaster-Type monster Level 5 or higher, or 1 DARK Spellcaster-Type monster Level 5 or higher, from your Deck and Special Summon it. You Tribute "Temperance of Prophecy" itself as a cost when activating this effect.)
This effect can only be activated during a turn in which you have activated a "Spellbook" Spell Card. (You cannot activate this effect if only the effect of a "Spellbook" Spell Card has been activated, or if the activation of the "Spellbook" Spell Card was negated.)
You cannot activate the monster effect of "Temperance of Prophecy" during a turn in which you have already successfully Special Summoned a Level 5 or higher monster due to the effect of another card or similar.
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