At the beginning of your upkeep, investigate. (Put a colorless Clue artifact token onto the battlefield with ", Sacrifice this artifact: Draw a card.") , Sacrifice three Clues: Search your library for a card and put that card into your hand. Then shuffle your library.
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, Sacrifice this artifact: Draw a card.")
, Sacrifice three Clues: Search your library for a card and put that card into your hand. Then shuffle your library.