Brotherhood of the Fire Fist - Hawk [CBLZ-EN021] Common

If this card in its owner's possession is destroyed by an opponent's card (either by battle or by card effect): You can Set 1 "Fire Formation" Spell Card directly from your Deck. While you control a face-up "Fire Formation" Spell/Trap Card, all "Fire Fist" monsters you control gain 500 ATK and DEF.