T . G . " T . G . " , short for " Tech Genus " ( " Tekkujīnasu " ) is an archetype used by Antinomy in " Yu - Gi - Oh ! 5D ' s " . They are all in appearance to reference the identity of their user . They made their debut in " Extreme Victory " . In the Japanese anime , each of them has a code in their name which references their Type , followed by a number . This includes their status as they have X ' s at the end of their names to indicate their evolution of Synchro Monsters : They are high tech monsters from the future and they share a variation of this effect in the anime : " This card can also be treated as a Machine - Type monster . When a Spell or Trap Card you control target s this card , you can halve this card ' s original ATK and DEF . When this card is destroy ed , you can add 1 " T . G . " monster card from your Deck to your hand . You cannot Summon it this turn . " In " Yu - Gi - Oh ! 5D ' s Tag Force 5 " , it is possible to use the card obtained during the same turn , and the ATK and DEF reduction is not present among their effects . The real life version of the " T . G . " cards consist of monsters who can " replace " themselves with different monsters when they ' re destroyed . Most of the non - Synchro Monsters search for other " T . G . " monsters besides ones that share their name ( for example , a " T . G . Warwolf " can search for any " T . G . " monster besides " T . G . Warwolf " ) , while all of the Synchro Monsters ( except " T . G . Blade Blaster " ) draw cards or Summon monsters . Despite their bionic appearance and names , the only existing Machine " T . G . " monsters are Accel Synchro Monster s . All " T . G . " supporting Spell and Trap Cards have an initialism in their names . Playing style . The goal of the archetype is to Accel Synchro Summon " T . G . " monsters to control the field . " T . G . Blade Blaster " can negate Spells and Traps while " T . G . Halberd Cannon " can negate Summons . Due to the ease of low - Level Synchro Summon s , Summoning the two aforementioned monsters is a matter of summoning and protecting the Synchro Material Monster s . A good rival of " T . G . Halberd Cannon " is " Shooting Quasar Dragon " due to the high attack stats and powerful effects . Although " Shooting Quasar Dragon " is preferred due to the multiple attacking ability . One could also Synchro Summon " Cosmic Blazar Dragon " or " Stardust Sifr Divine Dragon " instead for more control of your opponent or protection , respectively . This archetype also excels at long , drawn - out Duels ( a . k . a . , " grind games " ) . A player can wear down their opponent ' s resources over time , while maintaining his / her own , due to the immense search and draw power of the T . G . cards . " T . G . Striker " , " T . G . Warwolf " , and " T . G . Catapult Dragon " are the best cards to swarm with ; the first two have easy Summoning requirements while " Catapult Dragon " can Summon more monsters and give " Warwolf " an opportunity to be Summoned by its effect . At the very least , in case you cannot Synchro Summon , you can build a defense and let your opponent destroy them , giving you plenty of cards to add to your hand at the End Phase . Some good support cards are " Junk Synchron " , " Kinka - byo " , " Mischief of the Yokai " , and " Star Changer " . Also , since the " T . G . " cards share the ability to search once they are destroy ed , support cards such as " Kuraz the Light Monarch " and " Needle Ceiling " can be used with little or no drawbacks . While the effect of " Kuraz " might seem too good to pass up on your own cards , remember that you can use it selectively : for example , you can choose to destroy your opponent ' s " Legendary Six Samurai - Shi En " and not target any of their other monsters . Additionally , mass - destruction staple s like " Dark Hole " , " Torrential Tribute " , and " Black Rose Dragon " become even more effective , as they can be used with little to no drawback for the player . Because of the extensive use of Level 5 Synchro Monsters , a T . G . Deck can easily summon powerful monsters outside the archetype , such as " Ally of Justice Catastor " , " Hi - Speedroid Chanbara " , " Armades , Keeper of Boundaries " , and in some cases Naturia Beast . If you can manage two Level 5 LIGHT Synchro Monsters in one turn , you can follow up with " Constellar Pleiades " . Summoning the ace of this archetype ( " T . G . Blade Blaster " ) it ' s relatively fast and can be done in a single turn if you control no monsters and your opponent does while you have in your hand to Special Summon " T . G . Striker " and " T . G . Warwolf " , then Normal Summon " T . G . Cyber Magician " with " T . G . Rush Rhino " in your hand or Normal Summon " T . G . Catapult Dragon " and Special Summon " T . G . Jet Falcon " from your hand . In the event that you don ' t have all of them in your hand , then you can let your opponent destroy a few of your T . G . monsters that can search the Deck for other T . G . monsters during the end phase to build up the resources to Accel Synchro Summon " " T . G . Blade Blaster " quickly . On the other hand , the summoning of the strongest T . G . monster , " T . G . Halberd Cannon " , it ' s very easy when you have " T . G . Blade Blaster " on your field and you have at least " T . G . Cyber Magician " in your hand and " Level Eater " in your graveyard . Normal Summon " T . G . Cyber Magician " , then activate " Level Eater " ' s effect in your graveyard by reducing " T . G . Blade Blaster " ' s Level by 1 to revive " Level Eater " . Tune " T . G . Cyber Magician " with " Level Eater " to " Synchro Summon " " T . G . Recipro Dragonfly " , and activate it ' s effect to send your " T . G . Blade Blaster " to the graveyard and Special Summon the synchro material monsters used for it provided you have them in the Graveyard , and finally tune " T . G . Recipro Dragonfly " with " T . G . Wonder Magician " and the other Level 5 Synchro Monster to Delta Accel Synchro Summon " T . G . Halberd Cannon " . " Level Eater " is also useful for many aspects in this Deck . " Plaguespreader Zombie " can also be used in this Deck to accelerate the rate of " Synchro Summon " . " Debris Dragon " can revive " T . G . Cyber Magician " and other 500 ATK monsters in your Graveyard , while also triggering " T . G . Warwolf " in your hand . Cards like " Gravity Collapse " ( negates a Summon and destroys the monster making the opponent unable to Summon more monsters for the rest of the turn by Tributing a Synchro Monster ) , " Synchro Material " ( " steals " an opponent ' s monster that you can use to Synchro Summon ) , " Safe Zone " ( protects 1 of your monsters from any kind of destruction and targeting effects by giving up direct attacks with the monster you are protecting with it ) and specially , " Inferno Reckless Summon " ( summons 1 or 2 more copies of a T . G . monster from your graveyard , hand or Deck when you special summoned one T . G . monster which makes the combo even better if you don ' t use the spare monsters special summoned by this effect and let them be destroyed to search the Deck at the end phase ) , are a staple in this Deck to keep the opponent under constant pressure and control even if they use a fast and powerful archetype like the " Six Samurai " or to some extent , " Blackwings " . Junk T . G . . While it lacks the searching power of other T . G . Decks , this variant focuses on combos with " Junk Synchron " , " T . G . Catapult Dragon " , and " T . G . Jet Falcon " . T . G . Ultimaya Dragon . Thanks by the swarming and drawing effects of the " T . G . " monsters , this variant focuses on Special Summoning " Ultimaya Tzolkin " and then filling the field with powerful Dragon Synchro Monsters . Weaknesses . Since this archetype is one of the most Synchro - focused archetypes , rivaling Yusei - themed and Inca Decks , all anti - Synchro support ( " Discord " , " Synchro Control " , " Greed Grado " , " Meklord s " , " Shiny Black " C " " , etc . ) can kill the Deck , in addition to all the typical Anti - Meta strategies that most Decks fall prey to . " Dimensional Barrier " can prevent you from Synchro Summoning for a turn . " Soul Drain " completely turns off almost all of your " T . G . " monsters , preventing you from activating your Graveyard effects to draw , Special Summon , or search . None of the non - Synchro Monsters provide any offensive capabilities , barring " Rush Rhino " with " TGX300 " on the field . " Thunder King Rai - Oh " and " Mistake " can also stop their searching . Use " TG1 - EM1 " or " Creature Swap " to take control of your opponent ' s monster when you don ' t have strong attack power . Also , nearly all monsters have effects that ease the Synchro Summons while wreaking havoc on the player ' s hand . Therefore , field clearing becomes even more important so protect your monsters ( especially " T . G . Hyper Librarian " with " Starlight Road " or " My Body as a Shield " . You can also run multiple copies of " TGX3 - DX2 " , due to the rate at which the T . G . monsters are Summoned , and - consequently - sent to the Graveyard to replenish your hand and recycle your T . G . monsters . Additionally , the " T . G . " archetype is extremely weak to many common Side - Deck cards , such as " Gozen Match " , " Vanity ' s Emptiness " , and " Mistake " . " Rivalry of Warlords " deserves a special mention , because it completely shuts down the deck , due to the T . G . monsters consisting of entirely different Types . Because of this , one should build their Main / Side deck with these threats in mind . " TGX1 - HL " is a great card that T . G . ' s have at their disposal , which is functionally the same as " Mystical Space Typhoon " , should one need additional Spell / Trap removal .