Berserkers
These two cards, released in the same core set, were the first ever Level 4 monsters in the TCG to have 2000 or more ATK. (2 answers required.)
Dark Elf and Jirai Gumo
PE minor if you pronounce this card's name wrong.
Armor Exe
The Ballad of the Encounter with the Magnificent Spectral Resplendent - Shiranui Story Saga
Ghost Meets Girl - A Shiranui's Story
DPE is the jokerfied version of this card.
Elemental HERO Shining Phoenix Enforcer
This card was meant to be legacy support for a popular but historically unplayable group of monsters from GX. It was more often played as an engine for multiple Level 2 summons in Spright decks.
Dark Beckoning Beast
This card is a Fiend, but is played in a deck that is mostly Warriors. You need to get a German copy of this card so your opponent doesn't know you're cheating when you add it with Reinforcement of the Army.
Evil HERO Adusted Gold
Players commonly refer to this monster with a nickname based on the color of its clothes.
Spellbook Magician of Prophecy
Drochshuile the Dead Spirit King
Doomking Balerdroch
This monster is the "World Hero" referred to in the flavor text of Chosen by the World Chalice.
Mekk-Knight Blue Sky
This was the first Link-4 to debut in a Structure Deck in the TCG.
Topologic Zeroboros
This is the only hand trap berserker.
Iron Dragon Tiamaton
One of the most degenerate commons of all time, this card has been banned for almost 2 decades.
Magical Scientist
Landmine Spider
Jirai Gumo
This large monster is seen emerging from Despia, Theater of the Branded.
Dogmatika Alba Zoa
One of the best Machine monsters, this card has been playable in multiple formats over the last 13 years. It has been printed in 2 Structure Decks, once a an Ultra Rare and once as a Common.
Machina Fortress
There are 6 berserkers that are both normal-summonable and which have 2000 DEF in addition to having 2000 or more ATK. This is the only one of these to have seen competitive play, mainly in very frustrating decks.
Inspector Boarder
First edition, original print copies of this card which are not misprinted are extremely valuable, due to a mistake on Konami's part and their ensuing attempt to fix it.
Dark Paladin
Fiend Roar Deity Legion
This monster is the antagonist of Gagagigo and Marauding Captain's journey together.
Invader of Darkness
This card debuted in an OCG structure deck but released in the TCG as a secret rare in a core set. It was played in early DAD Return formats to fix the number of DARKs in the GY.
Prometheus, King of the Shadows
This was the first FIRE monster to have piercing.
Gaia Soul, the Combustible Collective
In a scripted duel event, Kaiba claims he will defeat Yugi because he's learned how to Synchro Summon. Yugi responds by Xyz Summoning this monster.
Ebon High Magician
Sacrifice
Relinquished
This monster from Pharaonic Guardian is a wizard from the desert who increases his powers for each of his enemies he destroys, until he becomes zombified into a lich.
Great Dezard
The character in this card's art also appears on a well-known Link Monster. This monster has a different attribute from that Link Monster, but has the same ATK (1700) and a very similar search effect.
Springans Kitt