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From left to right: "Geargiarmor", "Geargiaccelerator", "Geargiano", "Geargiano Mk-III", "Geargiano Mk-II", "Geargiattacker" and "Geargiarsenal" with "Geargiagear Gigant XG" and "Gear Gigant X" in the background.
  • ギアギア
  • Giagia (romanized)

  • 齒輪齒輪人
  • Chǐlún Chǐlúnrén (pinyin)
  • Ci2 leon4 Ci2 leon4 jan4 (jyutping)
  • Gear Gearer (translated)

  • Geargia

  • Getriebria

  • Ingranaggian

  • 기아기아
  • Gieogieo (romanized)

  • Engrenagi

  • Engranaji-


TCG Sets

OCG Sets


"Geargia" (ギアギア) is an archetype of EARTH Machine monsters that resemble gears, as the archetype name suggests. They focus on swarm and Xyz Summon tactics. The first member, "Geargiano", appeared in Generation Force; additional members and the archetype's first support appeared in Return of the Duelist.

Playing style[edit]

All 8 "Geargia" monsters focus heavily on searching out each other, swarming the field in the process and Summoning Rank 3 and 4 Xyz Monsters, especially their ace cards, "Geargiagear Gigant XG" and "Gear Gigant X". Each monster has a different effect to search out cards: "Geargiano" Special Summons any Level 4 Machine monster from the Graveyard by Tributing itself, meaning that the card can be good to support other archetypes; "Geargiano Mk-II" can do the same as "Geargiano", but only with "Geargia" monsters, however it can also Special Summon the monster from the hand; "Geargiano Mk-III" do the same as "Geargiano Mk-II", but only if it is Special Summoned by the effect of a "Geargia" card; "Geargiarmor" search any "Geargia" from the Deck each time it is flipped face-up and is a solid wall with 1900 DEF; "Geargiaccelerator" helps to swarm the field, as it can Special Summon itself from your hand and has the bonus effect of adding another Geargia from your Graveyard to your hand when it goes to the Graveyard; "Geargiarsenal" can Tribute itself to Special Summon any "Geargia" from your Deck and also gains 200 ATK for each "Geargia" you control, even itself; "Geargiattacker" destroys Spell/Trap Cards on the field, up to the number of "Geargia" monsters you control each time it is flipped face-up. "Geargiauger" can search any Level 4 EARTH Machine monster from the Deck, except itself, when it is Normal Summoned. But you cannot Special Summon monsters, except Machine monsters, nor declare an attack, for the rest of the turn you use this effect.

One of the ace cards of the archetype, "Gear Gigant X" supports Machine monsters by allowing the player to add any Level 4 or lower Machine monster from the Deck or Graveyard to the hand. Its effect to Special Summon a Level 3 or lower "Geargia" from the Graveyard when it leaves the field allows the player to easily control the Graveyard. The other ace card "Geargiagear Gigant XG" negates the effects of all face-up cards your opponent currently controls, also your opponent cannot activate cards or effects during either player's Battle Step, while a Machine monster you control attacks or is attacked by detaching 1 Xyz Material. Its other effect to add 1 other "Geargia" card in your Graveyard to your hand when it leaves the field allows the player more Graveyard control.

The theme-supporting Trap Card "Geargiagear" Special Summons 2 "Geargiano" monsters from the deck and increase their level by 1 and allowing instant Xyz Summon of Rank 4 Xyz Monsters.

Archetype Lore[edit]

In order to stop Dr. Gearck's conquest of the entire world with the power of the evil gears called the "Warugiano", Professor Kurosu created the Gear Heroes known as the "Geargias"!!!

The Geargianos ("Geargiano", "Geargiano Mk-II" and "Geargiano Mk-III") are the power source that moves the "Geargia" monsters. The Gigant Carrier is a transport vehicle that carries the Gearunits ("Geargiaccelerator", "Geargiattacker", "Geargiarmor", and "Geargiarsenal"). The Gigant Carrier and "Gear Gigant X" can combine their gears to form the mighty "Geargiagear Gigant XG".[1]


  • Warugiano is a portmanteau of "Warugi" (Evil Intent) and "Geargiano".
  • Gearck/Giack is a portmanteau of Gear and Aku (Evil/Bad/Wicked).
  • Kurosu Hakase = Professor Kurosu. Kurosu sounds like Cross, how the X in "Geargiagear Gigant XG" and "Gear Gigant X" is pronounced.

Most of these names are the kind of cliches you’d see in an older 80s style Kamen Rider/Super Sentai series. (Super Sentai is essentially Japanese Power Rangers).


Standard Geargia[edit]

Machina Geargia[edit]

This Deck takes advantage of the searching abilities of the "Geargia" Deck to easily Summon "Machina Fortress".

Ancient Geargia[edit]

This Deck incorporates "Ancient Gear" monsters for added attack power.

Karakuri Geargia[edit]

This Deck revolves gaining field and hand advantage.

Scrap Geargia[edit]

This deck takes advantage of "Scrap" monsters for destruction and attack power through "Scrap Dragon".

5-Xyz Geargia[edit]

This Deck is based on the swarming ability of the "Geargias" and takes advantage of "Jumbo Drill" to easily Summon Rank 5 Xyz Monsters.

Karakuri Machina Geargia[edit]

This Deck takes the fast attack power of "Karakuri" and combine with the tanking of "Machina Fortress".

Geargia Traptrix[edit]

This variant is a more trap heavy build that includes cards like Cardcar D and Soul Transition to further along the deck and utilize the high amount of lvl 4s in the deck.

  • Traptrix Myrmeleo gains search power to the trap hole normal trap cards, while also furthering the deck into you other traps you would have.
  • Cardcar D supplies early access to cards with its draw 2 while still being able to set your traps and spells. This is also very effective if you have a set geariarmor and just activate its effect for the search then reset the card and go into Cardcar D to gain 2 more cards while you still have spells and traps already available to you on the field.
  • Soul Transition is another card that helps further along the deck and get rides of a potential target for effects and possible turn a minus 1 into a plus 2.


  • "Thunder King Rai-Oh" shuts down all searching within the Deck. It can also negate the Special Summoning of Synchro and Xyz Monsters, which can ruin the win condition of "Geargia".
  • "Vanity's Emptiness" and other cards that prevent Special Summoning prevents nearly every "Geargia" monster from using their effects, as well as preventing them from Summoning monsters from their Extra Deck.
  • Since this Deck's strategy relies a lot on "Geargiarmor", negating its effect to search for a "Geargia" monster and set itself backdown can stop the Deck's momentum completely.


  1. YGOrganization - [OCG] Lore on the Geargias and Lightsworns!