Target 1 "Dark Magician" or "Dark Magician Girl" you control or in your GY; Fusion Summon 1 Fusion Monster from your Extra Deck that mentions it as material, by shuffling that monster into the Deck, but banish it during the End Phase of the next turn. (This is treated as a Special Summon with "The Eye of Timaeus".)
You can only activate 1 "The Gaze of Timaeus" per turn.
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