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 - $6.50
Near Mint Non-English - $6.50
Lightly Played - $6.25
Lightly Played Non-English - $6.25
Moderately Played - $5.25
Moderately Played Non-English - $5.25
Heavily Played - $4.00
Heavily Played Non-English - $4.00
Damaged - $3.25
Damaged Non-English - $3.25