Whenever you cast an artifact spell, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") Activated abilities of artifacts you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.
Near Mint - $2.10
Lightly Played - $1.90
Played - $1.50
Heavily Played - $1.30
Damaged - $1.10
Near Mint Non-English - $2.10
Lightly Played Non-English - $1.90
Played Non-English - $1.50
Heavily Played Non-English - $1.30
Damaged Non-English - $1.10
Foil Prices
Near Mint Foil - $3.20
Lightly Played Foil - $2.90
Played Foil - $2.30
Heavily Played Foil - $2.00
Damaged Foil - $1.60
Near Mint Foil Non-English - $3.20
Lightly Played Foil Non-English - $2.90
Played Foil Non-English - $2.30
Heavily Played Foil Non-English - $2.00
Damaged Foil Non-English - $1.60