Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add an additional {B}.
Near Mint - $9.80
Near Mint Non-English - $9.80
Lightly Played - $8.90
Lightly Played Non-English - $8.90
Played - $6.90
Played Non-English - $6.90
Heavily Played - $5.90
Heavily Played Non-English - $5.90
Damaged - $4.90
Damaged Non-English - $4.90
Foil Prices
Near Mint Foil - $19.60
Near Mint Foil Non-English - $19.60
Lightly Played Foil - $17.60
Lightly Played Foil Non-English - $17.60
Played Foil - $13.70
Played Foil Non-English - $13.70
Heavily Played Foil - $11.80
Heavily Played Foil Non-English - $11.80
Damaged Foil - $9.80
Damaged Foil Non-English - $9.80