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 - $5.60
Lightly Played - $4.50
Moderately Played - $4.00
Heavily Played - $3.40
Damaged - $2.80
Near Mint Spanish - $5.60
Lightly Played Spanish - $4.50
Moderately Played Spanish - $4.00
Heavily Played Spanish - $3.40
Damaged Spanish - $2.80