[REQUIREMENT] You can activate this by shuffling a total of 4 Spellcaster and/or Dragon monsters from your GY into the Deck.
[EFFECT] Choose 1 face-up monster you control. During this turn, that monster cannot be destroyed by the effects of your opponent’s Trap Cards. Also, you can choose 1 “Dark Revelation” in your GY and Set it directly to your Spell & Trap Zone.