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}.
NM-Mint - $7.40
Lightly Played - $7.00
Moderately Played - $6.60
Heavily Played - $5.90
Damaged - $4.80
NM-Mint Non English - $7.40
Lightly Played Non English - $7.00
Moderately Played Non English - $6.60
Heavily Played Non English - $5.90
Damaged Non English - $4.80
Foil Prices
NM-Mint Foil - $8.20
Lightly Played Foil - $7.80
Moderately Played Foil - $7.40
Heavily Played Foil - $6.60
Damaged Foil - $5.40
NM-Mint Foil Non English - $8.20
Lightly Played Foil Non English - $7.80
Moderately Played Foil Non English - $7.40
Heavily Played Foil Non English - $6.60
Damaged Foil Non English - $5.40