Boros Fury-Shield

Instant, 2W (3)
Prevent all combat damage that would be dealt by target attacking or blocking creature this turn. If {R} was spent to cast Boros Fury-Shield, it deals damage to that creature's controller equal to the creature's power.¹
Illus. Wayne England

Gatherer Card Rulings [Nov 2009]

• 10/1/2005: If red mana was spent, Boros Fury-Shield, not the target creature, deals the damage to the creature's controller.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/9)	Ravnica: City of Guilds (Common)