Suffocation

Instant, 1U (2)
Cast Suffocation 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.¹
Illus. L. A. Williams

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: It means "red instant or red sorcery" not "red instant or any sorcery".

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Alliances (Uncommon)