Pyromancer's Swath

Enchantment, 2R (3)
If an instant or sorcery source you control would deal damage to a creature or player, it deals that much damage plus 2 to that creature or player instead.
At the beginning of the end step, discard your hand.¹
Illus. Hideaki Takamura

Gatherer Card Rulings [Nov 2009]

• 5/1/2007: If damage prevention effects prevent all the damage from a source before this replacement effect is applied, Pyromancer's Swath won't do anything because that source is no longer dealing any damage.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Future Sight (Rare)