Magic the Gathering: Invasion (Base Set) card 124 Soul Burn

*Name: Soul Burn
Type: Sorcery
Play Cost: X, 2 colorless, 1 Swamp
Game Text: Spend only black and/or red mana on X.
Soul Burn deals X damage to target creature or player. You gain life equal to the damage dealt, but not more than the amount of S spent on X, the player's life total before Soul Burn dealt damage, or the creature's toughness.
*Source: Front of card