Effect
If this card is flipped face-up: You can Set 1 "Fire Formation" Trap Card directly from your Deck, then, if this card was Flip Summoned, you can also Set 1 "Fire Formation" Spell Card directly from your Deck.
The monster effect of "Brotherhood of the Fire Fist - Ulubshou" is a Trigger Effect that can be activated optionally when it is flipped face-up. (It can also be activated during the Damage Step.)
This effect does not target.
When activating the effect of "Brotherhood of the Fire Fist - Ulubshou" upon its successful Flip Summon, the process of "choose 1 'Fire Formation' Trap Card from your Deck and Set it to your field" and the process of "if it was flipped face-up by a Flip Summon, you can also choose 1 'Fire Formation' Spell Card from your Deck and Set it to your field" are not treated as occurring simultaneously.
When activating the effect of "Brotherhood of the Fire Fist - Ulubshou" upon its successful Flip Summon, you must perform the process of "choose 1 'Fire Formation' Trap Card from your Deck and Set it to your field," but you can choose not to perform the process of "if it was flipped face-up by a Flip Summon, you can also choose 1 'Fire Formation' Spell Card from your Deck and Set it to your field."
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