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 - $1.70
Lightly Played - $1.50
Played - $1.20
Heavily Played - $1.00
Damaged - $0.90
Near Mint Non-English - $1.70
Lightly Played Non-English - $1.50
Played Non-English - $1.20
Heavily Played Non-English - $1.00
Damaged Non-English - $0.90