Suffocation

Oracle Text

Cast this spell only if you were dealt damage this turn by a red instant or sorcery spell.

Suffocation deals 4 damage to the controller of the last red instant or sorcery spell that dealt damage to you this turn.

Draw a card at the beginning of the next turn's upkeep.

Card Rulings

10/4/2004 It means “red instant or red sorcery” not “red instant or any sorcery”.