Hoo boy, where do we begin:
- Anything with "Assault Mode" in its name
- Anything with "Cyberdark" in its name
- Anything called an "Earthbound Immortal"
- Anything with "Evilswarm" in its name
- Anything with "God" in its name
- Anything with "Infernoid" in its name
- Anything called a "Maju"
- Anything that has "Number C" or "CXyz" in its name
- "Archfiend" monsters, especially 'Archfiend Emperor, the First Lord of Horror.'
- Ally of Justice Core Destroyer
- Ally of Justice Catastor
- Ally of Justice Decisive Armor
- Amorphactor Pain, the Imagination Dracoverlord (Japanese name: Amorphactor Psycho, the Void Dracoverlord)
- Apoqliphoth Killer
- Arcana Force EX - The Light/Dark Ruler
- Armageddon Knight
- Armityle the Chaos Phantom
- Barbaroid, the Ultimate Battle Machine
- Beelze(us) of the Diabolic Dragons
- Berserk Dragon
- Black Luster Soldier - Envoy Of The Beginning
- Black Skull Dragon
- Blue-Eyes Chaos MAX Dragon
- Blue Eyes Ultimate Dragon
- Neo Blue-Eyes Ultimate Dragon
- Blue Eyes Alternative Ultimate Dragon
- Neo Blue-Eyes Ultimate Dragon
- The 3 Borrel Dragons
- Chaos Emperor Dragon- Envoy of The End(Pre-Errata)
- The "Chaos End" spell card
- Chimeratech Rampage Dragon
- Cosmic Horror Gangi'el
- The Creator God of Light - Horakthy
- Crush Card Virus (or its Japanese name, "Deck Destruction Virus of Death")
- Cyber-Stein (Japanese name, "Devil Franken")
- Every single "D/D/D" monster
- Dark Armed Dragon
- Dark Eradicator Warlock
- Dark Magician of Chaos
- Dark Master - Zorc
- Dark Paladin
- Dark Necrofear
- Curse Necrofear
- Dark Strike Fighter
- Dark Summoning Beast
- Demise, King of Armageddon
- Destiny End Dragoon
- Diabolos, King of the Abyss
- Darkest Diabolos, Lord of the Lair
- Doomkaiser Dragon
- Doomsday Horror
- Dragon Master Knight
- Dreadscythe Harvester
- Emblem of Dragon Destroyer, for adding Buster Blader to the hand.
- Evolzar Laggia and Evolzar Dolkka for basically being monster versions of Solemn Judgement and Solemn Warning
- Exodia the Forbidden One
- Exodia Necross
- Fabled Leviathan
- The "Final Destiny" spell card
- Five-Headed Dragon (Japanese name, FGD - Five-Gods' Dragon]]
- Freed the Matchless General and his evil counterpart, Dark General Freed
- "Galaxy-Eyes" monsters - Photon Dragon, Tachyon Dragon, Neo Photon, Neo Tachyon and Prime Photon...
- Gandora the Dragon of Destruction
- Garlandolf, King of Destruction
- Gearfried, the Iron Knight
- Ghoti of the Deep Beyond
- Goyo Guardian
- Hamon, Lord of Striking Thunder
- Herald Ritual monsters, such as Herald of Perfection and Herald of Ultimateness
- Horus the Black Flame Dragon LV 8
- Infernity Doom Dragon
- Judgment Dragon
- Jurrac Giganoto
- Jurrac Titano
- Jurrac Tyrannus
- Jurrac Meteor
- Invader of Darkness
- Legendary Six Samurai Shi En
- Magician of Black Chaos
- "Malefic" Monsters
- Masked Beast Des Gardius
- Meklord Astro Dragon Asterisk
- Meklord Astro Mekanikle
- Metaion, the Time Lord
- "Monarch" (Specifically, any card that ends in Monarch - Mobius, Thestalos, Granmarg, Zaborg, Kuraz, Caius, Delg, Angmarl, Raiza, Ehther, and Erebus.)
- Naturia Beast
- Naturia Exterio
- Nekroz of Trishula
- Number 15: Gimmick Puppet Giant Grinder (Giant Killer in the OCG)
- Number 30: Acid Golem of Destruction
- Number 34: Terror-Byte
- Number 61: Volcasaurus
- Number 77: The Seven Sins
- Number 96: Dark Mist
- Number 99: Utopic Dragon
- Number iC1000: Numerounius Numerounia
- Obelisk the Tormentor (Japanese name: Giant God-Soldier of the Obelisk)
- Ocean Dragon Lord - Neo Daedalus
- Possessed Dark Soul
- Raviel, Lord of Phantams
- Red Eyes Darkness Metal Dragon
- Red-Eyes Flare Metal Dragon
- Red-Eyes Black Flare Dragon
- Red Nova Dragon
- Relinquished
- Reshef, the Dark Being
- Ruin, Queen of Oblivion
- Sephylon, the Ultimate Time Lord
- Superancient Deepsea King Coelacanth
- Super Conductor Tyranno
- Shinato, King of a Higher Plane
- Shooting Quasar Dragon
- Slash Draw
- Slifer the Sky Dragon
- Sophia, the Creator
- Before it was banned, Spellbook of Judgement spell card
- Summoned Skull
- Superdreadnought Rail Cannon Gustav Max
- Supreme King ZARC
- Starving Venom Fusion Dragon
- Greed Venom Fusion Dragon
- That Which Feeds On Life
- "The Beginning of The End" spell card
- The Tyrant Neptune
- The Wicked Avatar/Dreadroot/Eraser
- The Winged Dragon of Ra
- Thousand Eyes Restrict
- Trishula, Dragon of the Ice Barrier
- The True Kings - "Agnimazud, the Vanisher," "Bahrastos, the Fathomer," "Lithosagym, the Disaster," and "True King of All Calamities"
- Topologic Bomber Dragon
- Tragoedia
- Tyranno Infinity
- Ultimate Conductor Tyranno
- Ultimate Tyranno
- Ultimaya Tzolkin
- Phantasmal Lord Ultimitl Bishbaalkin
- Uria, Lord of Searing Flames
- Vennominaga the Deity of Poisonous Snakes
- Vylon Omega
- Worm Zero
- Yata-Garasu
- Yubel - Terror Incarnate
- Yubel - The Ultimate Nightmare
