Fiendsmith Engraver
Level 6 LIGHT/Fiend Effect1800 ATK / 2400 DEF
You can discard this card; add 1 "Fiendsmith" Spell/Trap from your Deck to your hand. You can target 1 "Fiendsmith" Equip Card you control and 1 monster on the field; send them to the GY. If this card is in your GY: You can shuffle 1 other LIGHT Fiend monster from your GY into the Deck/Extra Deck; Special Summon this card. You can only use each effect of "Fiendsmith Engraver" once per turn.
Fiendsmith's Agnumday
Link 3 LIGHT/Fiend Link Effect1800 ATK
2+ monsters, including a LIGHT Fiend monster
Once per turn (Quick Effect): You can target 1 LIGHT non-Link Fiend monster in your GY; Special Summon it, and if you do, equip this card you control to that monster as an Equip Spell with the following effects.
â—Ź The equipped monster gains ATK equal to the total Link Rating of Link Monsters equipped to it x 600.
â—Ź If the equipped monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.
Fiendsmith's Desirae
Level 9 LIGHT/Fiend Fusion Effect2800 ATK / 2400 DEF
"Fiendsmith Engraver" + 2 LIGHT Fiend monsters
(Quick Effect): You can negate the effects of a number of face-up cards on the field, up to the total Link Rating of Link Monsters equipped to this card, until the end of this turn. If this card is sent to the GY: You can shuffle 1 other LIGHT Fiend monster from your GY into the Deck/Extra Deck, then target 1 card on the field; send it to the GY. You can only use each effect of "Fiendsmith's Desirae" once per turn.
Fiendsmith's Lacrima 
Level 6 LIGHT/Fiend Fusion Effect2400 ATK / 2400 DEF
2 LIGHT Fiend monsters
Monsters your opponent controls lose 600 ATK. You can only use each of the following effects of "Fiendsmith's Lacrima" once per turn. If this card is Fusion Summoned: You can target 1 of your LIGHT Fiend monsters that is banished or in your GY; add it to your hand or Special Summon it. If this card is sent to the GY: You can shuffle 1 other LIGHT Fiend monster from your GY into the Deck/Extra Deck; inflict 1200 damage to your opponent.
Fiendsmith's Requiem
Link 1 LIGHT/Fiend Link Effect600 ATK
1 LIGHT Fiend monster
You can only Special Summon "Fiendsmith's Requiem(s)" once per turn. During the Main Phase (Quick Effect): You can Tribute this card; Special Summon 1 "Fiendsmith" monster from your hand or Deck. You can target 1 LIGHT non-Link Fiend monster you control; equip this card from your field or GY to that monster you control as an Equip Spell that gives it 600 ATK. You can only use this effect of "Fiendsmith's Requiem" once per turn.
Fiendsmith's Rextremende
Level 9 LIGHT/Fiend Fusion Effect3000 ATK / 3600 DEF
1 "Fiendsmith" Fusion Monster + 1 Fusion or Link Monster
Unaffected by card effects, except "Fiendsmith" cards, while equipped with a "Fiendsmith" Equip Spell. You can only use each of the following effects of "Fiendsmith's Rextremende" 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.
Fiendsmith's Sequence
Link 2 LIGHT/Fiend Link Effect1200 ATK
2 monsters, including a LIGHT Fiend monster
During your Main Phase: You can Fusion Summon 1 Fiend Fusion Monster from your Extra Deck, by shuffling its materials from your GY into the Deck. You can target 1 LIGHT non-Link Fiend monster you control; equip this card from your field or GY to that monster you control as an Equip Spell with the following effect.
â—Ź Your opponent cannot target the equipped monster with card effects.
You can only use each effect of "Fiendsmith's Sequence" once per turn.