Breath of Fury is a rare Enchantment — Aura card from Ravnica: City of Guilds (RAV), collector number 116. Current market price: $17.57 (foil $37.43), TCGplayer market prices via Scryfall.
Enchant creature you control When enchanted creature deals combat damage to a player, sacrifice it and attach this Aura to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.