Effect
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 "Fire Formation" Spell/Trap Card, all "Fire Fist" monsters you control gain 500 ATK and DEF.
The monster effect "If this card is destroyed by an opponent's card: You can choose 1 'Fire Formation' Spell Card from your Deck and Set it to your field" is a Trigger Effect. (This effect does not target. It can also be activated during the Damage Step.)
When applying the effect "You can choose 1 'Fire Formation' Spell Card from your Deck and Set it to your field," the zone to Set the chosen "Fire Formation" Spell Card is chosen at the time the effect resolves.
The monster effect "While you control a 'Fire Formation' Spell/Trap Card, all 'Fire Fist' monsters you control gain 500 ATK and DEF" is a Continuous Effect.
The monster effect "All 'Fire Fist' monsters you control gain 500 ATK and DEF" is an effect that is applied while you control at least one face-up "Fire Formation" Spell/Trap Card. (Even if you control two or more "Fire Formation" Spell/Trap Cards, the amount of ATK and DEF gained does not change.)
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