Whenever a land enters the battlefield under your control, investigate. (Put a colorless Clue artifact token onto the battlefield with "2, Sacrifice this artifact: Draw a card.")
Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.
NM-Mint - $0.60
Lightly Played - $0.60
Moderately Played - $0.50
Heavily Played - $0.50
Damaged - $0.40
NM-Mint Non English - $0.60
Lightly Played Non English - $0.60
Moderately Played Non English - $0.50
Heavily Played Non English - $0.50
Damaged Non English - $0.40