When Wavesifter enters the battlefield, investigate twice. (To investigate create a colorless Clue artifact token with "2, Sacrifice this artifact: Draw a card.")
Evoke GU (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
NM-Mint - $0.25
Lightly Played - $0.23
Moderately Played - $0.20
Heavily Played - $0.17
Damaged - $0.13
NM-Mint Non English - $0.25
Lightly Played Non English - $0.23
Moderately Played Non English - $0.20
Heavily Played Non English - $0.17
Damaged Non English - $0.13