Fiendsmith Chimera exists as a deck because of this monster, which is searchable in a way, by Berfomet.
Evil HERO Adusted Gold
Saint Magician
Magician of Faith
"I don't have it"
Mind Crush
This monster has the highest ATK of any level 6 monster in the game. However, it can never fully wield its ATK in game.
Dinomorphia Kentregina
1 DUEA Fusion Spell + 1 "Polymerization"
Red, Chain, Mirror
Resonator
Fiendsmith sometimes appears in Elfnotes because of how acessible this synchro monster is off Medius.
Armades, Keeper of Boundaries
Friendog
Rottweiler
When Blue-Eyes was meta in 2017, this secret rare from Starstrike Blast was a very powerful side deck card, since calling a single card name could effectively shut down the entire deck.
Psi-Blocker
This is the only Ritual Monster that has the clause "cannot be Ritual Summoned."
Dogmatika Alba Zoa
1 Level 1 Fire Fairy Tuner + 1 Fairy Recruiter
Red Nova Summoner
the Sky Paladin, Darknight, Avenging Knight
Parshath
One of the original 12 Link Vrains link monsters, any deck that can hard-make Evilswarm Ophion could also do full Fiendsmith combo
Steelswarm Origin
Unchained God - Ragia
Unchained Soul of Rage
This Link monster, released in Circuit Break, was integral to Grinder Golem loops because you could put the Golem back in your hand.
Akashic Magician
Raviel, Lord of Phantasms - Shimmering Scraper
1 Quick-play DEF Booster + 1 Level 9 Fusion Monster
The Reliable Guardian Chimera
Guardian, Maximus, Speeder
Koa'ki Meiru
You could theoretically play Fiendsmith in Branded using Despian Queritis. But if you want to be a tryhard, you make this monster, the highest level LIGHT Fiend, instead.
Despia Proskenion
Cattle Mutiliation
Beast Soul Swap
One of the first cards to declare card names, this card's most famous home is in Reversal Quiz FTK decks, where you can combo it with Convulsion of Nature to effectively draw an extra card.
Archfiend's Oath
In the 5ds timeline we know, Yusei's strongest monster is Shooting Quasar Dragon. In the original timeline, it was this monster, which is arguably better than Quasar ever was.
Cosmic Blazar Dragon
1 Link 2 Beast monster+ 1 Battle Trap
Missus Radiant Mirror Force
Revolution, Advance, Wizard
Odd-Eyes
Long before Fabled Lurrie was a playable member of its archetype, there was this monster, often seen in Dark World as a mass discard outlet and tuner for synchro plays
Fabled Raven
Judgment of Anubis
Anubis, the Last Judge
Though it never caught on in the tcg, some ocg tearlaments lists played this card, since, if you played the garnet as well, it also doubled as a floodgate
Gravekeeper's Trap
This monster boasts one of the highest ATK stats among the generic rank 8 monsters. However, using it outside of its own archetype cuts its damage in half.
1 Level 10 LIGHT Zombie + 1 Level 10 DARK Rock monster
Eldlich, the Golden Lord of the Heavenly Prison
Ghost, Lilith, Berfomet
D/D