At the beginning of your upkeep, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") {T}, Sacrifice three Clues: Search your library for a card, put that card into your hand, then shuffle.
Near Mint - $2.75
Lightly Played - $2.50
Moderately Played - $2.25
Heavily Played - $1.75
Damaged - $1.50
Near Mint Non-English - $2.75
Lightly Played Non-English - $2.50
Moderately Played Non-English - $2.25
Heavily Played Non-English - $1.75
Damaged Non-English - $1.50