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 - £1.10
Lightly Played - £1.00
Moderately Played - £0.80
Heavily Played - £0.60
Damaged - £0.40
Near Mint Non English - £1.10
Lightly Played Non English - £1.00
Moderately Played Non English - £0.80
Heavily Played Non English - £0.60
Damaged Non English - £0.40