[ Démon / Effet / Fusion ]
1 "Fiendsmith" Fusion Monster + 1 Fusion or Link Monster
Unaffected by non-"Fiendsmith" cards' effects while equipped with a "Fiendsmith" Equip Spell. You can only use each of the following effects of "Fiendsmith's Rex Tremendae" once per turn. If this card is Fusion Summoned: You can discard 1 card; send 1 LIGHT Fiend monster from your Deck or Extra Deck to the GY. If this card is sent to the GY: You can target 1 other "Fiendsmith" card in your GY or banishment; add it to your hand.
[ Démon / Effet / Fusion ]
1 "Fiendsmith" Fusion Monster + 1 Fusion or Link Monster
Unaffected by non-"Fiendsmith" cards' effects while equipped with a "Fiendsmith" Equip Spell. You can only use each of the following effects of "Fiendsmith's Rex Tremendae" once per turn. If this card is Fusion Summoned: You can discard 1 card; send 1 LIGHT Fiend monster from your Deck or Extra Deck to the GY. If this card is sent to the GY: You can target 1 other "Fiendsmith" card in your GY or banishment; add it to your hand.