Spend only black and/or red mana on X. Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of {B} spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.
Near Mint - $1.90
Lightly Played - $1.60
Moderately Played - $1.40
Heavily Played - $1.20
Damaged - $1.00
Near Mint Spanish - $1.90
Lightly Played Spanish - $1.60
Moderately Played Spanish - $1.40
Heavily Played Spanish - $1.20
Damaged Spanish - $1.00