Self-Referential
This card gives link strategies such as Salamangreats access to the rank 4 pool
Parallel eXceed
This card is best known in Ancient Gears to trigger two Geartowns at the same time
Magical Hats
Mekk Knight of the Morning Star
Machine
This union monster gives ABC access to Crystron Halqifibrax
Torque Tune Gear
Divine Arsenal AA-Zeus - Sky Thunder
2 Level 12 monsters
Echo Chamber Nation
This aqua monster's sole purpose is to search more of itself when it dies in battle
T.A.D.P.O.L.E
More commonly associated with Drytron builds, this tuner monster was also used with its best friend Eva to net World Chalice its first and only YCS win in Bochum, Germany
Herald of Orange Light
Evolzar Laggia
Dragon
A powerful tuner of Edison Format, this card has seen play from Quickdraw Dandywarrior to Dragon Rulers, usually making Black Rose Dragon
Debris Dragon
Thunder Dragon Colossus
"Thunder Dragon" + 1 Thunder monster
Celestial Dragon and Bear
Drytron Meteonis Draconids
Used in a 5ds era FTK, this card's main benefit came from its high level, which allowed its deck to access high level synchro monsters like Colossal Fighter
Des Frog
An iconic Yugi card from DM, this rock monster saw play in adamancipator because it was a level 4 rock summonable off unexpected dai
Beta the Magnet Warrior
Topologic Bomber Dragon
Cyberse
Oddly placed in a fusion strategy, this card is a tuner solely because its past self was a tuner.
Shaddoll Falco
Titaniklad the Ash Dragon
"Fallen of Albaz" + 1 monster with 2500 or more ATK
Indomitable Knights
The Phantom Knights of Break Sword
This spell card is one of the first known cards to have a once-per-turn restriction placed on its activation, and is one of the only cards that must be played in multiple copies for it to even activate at all.
Gather Your Mind
This trap card saw play in Synchron strategies to punish successful Maxx "c"s, but its more competitive use was to punish Spellbook of Judgments and Super Rejuvenations
Heavy Slump
Bull Blader
Warrior
As of 2022, this card holds the record for highest ATK on a tuner monster.
Life Stream Dragon
Azure-Eyes Silver Dragon
1 Tuner + 1+ non-Tuner Normal Monsters
Gods of Abyss and Arcadia
Hieratic Dragon King of Atum
This is one of only 3 monsters to let you draw 3 cards
This quick play spell was hyped during Zoodiac format as a way to protect your monsters from Zoodiac Drident
Pianissimo
Flower Cardian Pine
Warrior
This was the first level 4 normal tuner monster
Angel Trumpeter
Stealth Kragen Spawn
2 level 4 WATER monsters
Astral Trinity of Gods