Ancient Gear Engineer | Decks and Ruling

This page notes details of Ancient Gear Engineer (EARTH/Machine/Effect Monster) : decks, tips, effect and rulings. Learn and enjoy playing Yu-Gi-Oh! Duel Links!
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Ancient Gear Engineer

Ancient Gear Engineer
Monster TypeMachine
Card typeEffect
Card Effect TypeContinuous Effect / Trigger Effect
ArchetypesAncient Gear


Negate any Trap effects that target this card, and if you do, destroy that Trap Card. If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. At the end of the Damage Step, if this card attacked and is still on the field: Target 1 Spell/Trap Card your opponent controls; destroy that target.

How to Get / Rarity

Level-up rewardVellian Crowler Lvl 21
Victory againstVellian Crowler Lvl 30 & 40
Card trader--




  • Immune to any trap effects that targets this card.
  • Opponent unable to respond with Spell/Trap when this card attacks, until the end of damage step.
  • After damage step if this card is still on field, destroys 1 Spell/Trap


  • Decent ATK and DEF stats in current meta, requires additional stat boost to remain on field.
  • Requires 1 tribute to summon.

Tips, Related Cards, Rulings


  • This card is a very powerful attack machine that can go straight for your opponent's’ monsters or even attack your opponents directly, disregarding any face-down Spell/Traps they have in place.
  • However, Sphere Kuriboh can still be used to switch your Ancient Gear Engineer’s position so do take note on that.
  • Always remember, Ancient Gear archetypes have access to both Machine-type support cards and Ancient Gear support cards, so you can build your deck with the best support cards among them.
  • Take note that due to Ancient Gear Engineer’s immunity towards trap effects, you will not be able to use Metalmorph or Rare Metalmorph on it.

Trap Immunity

These are among the most prominent trap cards in current meta to disable opponent’s strong monsters upon summoning and it will not work against Ancient Gear Engineer upon its summoning.

Suppression during Battle Phase

These are among the most prominent Spell/Trap cards in current meta that are triggered during Battle Phase, to protect monsters on the field and it will be suppressed by Ancient Gear Engineer during its battle phase.

Speed summon methods

  • You can use Treeborn Frog as a tribute for Ancient Gear Engineer.
  • Using Mausoleum of the Emperor, you can pay 1000 LP to Normal summon Ancient Gear Engineer.
  • Using Soul Exchange, you can tribute 1 opponent’s monster as a tribute to summon Ancient Gear Engineer, but it cannot attack that turn.
  • You can substitute Ancient Gear Castle with 1 Counter to Normal summon Ancient Gear Engineer.
  • You can use Cost Down to summon Ancient Gear Engineer without tributes, but you need to discard 1 card as a cost.

Machine Support

This is the recommended support card for Ancient Gear Engineer. Reason being not only this card boosts it’s attack by 400 every turn, it also grants Ancient Gear Engineer the ability to negate monster effects that it destroys, effectively making it heavily immune to Spell/Trap/Monster Effects during the Battle Phase. And as a bonus, the 400 attack increase will continue every turn, even after this card is removed from the field. However, do take note that monsters’ effects are still able to be activated from the graveyard.

Ancient Gear support

  • These are the useful support cards that can assist Ancient Gear Engineer even further.


[Skill] descriptionUser
Boosts the ATK of face-up attack position monsters you control by 300 per level 5 or more monsters you control. You can only use the skill once per turn.

Seto Kaiba
[Skill] descriptionUsers
Sleight of Hand
Can be used each time your Life Points decrease by 1500. Add 1 7 Completed card, hidden in your wristband, to your hand. This skill can only be used once per turn and twice per Duel.





Monster/Spell/Trap categoriesNegates the effects of Trap Cards / Destroys Trap Cards / Prevents activation of your opponent's Spell Cards / Prevents activation of your opponent's Trap Cards / Destroys your opponent's Spell Cards / Destroys your opponent's Trap Cards


Hot New Top
Good with Giant Rat. However, since Giant Rat doesn't exist, use Ancient Gear Beast instead of this card.
<< Anonymous
Daemon Blitzkrieg Reply
Engineer is an underappreciated card. Of course w/ no Giant Rat, he's not worth the sacrifice realistically, but I always kept one around my old AG decks as a jnk (just in case). Not like we aren't rocking MASSIVE back field protection cards right now & Crowler's basic Skill = free tribute summon going 2nd.
<< Anonymous(Daemon Blitzkrieg)
Anonymous Reply
Isn't geartown a viable option to summon engineer without a tribute? I'm working on an ancient gear deck, and I'm using geartown and Crowler's basic skill to justify a lot of cards I'm using.
<< Anonymous
Anonymous Reply
Giant Rat exists and it also searches Pathfinder which searches Geartown. Engineer's target trap immunity makes him continue to be one of my ace cards.
<< Anonymous
Anonymous Reply
Engineer sucks today. Was ok before 2 years but now is crap. It has pathetic stats and only offers a m/t destruction if it succesfully attacked AND survived. Giant rat and pathfinder are also TERRIBLE cards in ancient gear decks. Too slow and with 0 quarantee that their effects will resolve. Competitive Ancient gear decks are P2W decks since all you need are 3 ancient gear stcucture decks.
,sure use the cheap stuff why not
This guy has always been my ace card since release and still is. The amount of idiots constantly trying to target it with traps, since Massivemorph through Canadia craze and even today where so many degens start with TTH in opening hand, is always enormous. This guy screws over 🔥 stall/burn decks really hard. Needing 1 release only makes him better against them since they just keep setting monsters, but also because his summon can release Lava Golem.
<< Anonymous
Anonymous Reply
Why the hell should they waste their traps on a pathetic 1500 ATK monster?
<< Anonymous
Anonymous Reply
It’s not pathetic. It destroys them and they still try to use their traps on it but it fails.
Looks like Isaac Clarke from Dead Space xD
Crowler just dropped its prismatic card on lvl 40 for me
<< Anonymous(AlphaQ)
Anonymous Reply
1st commento
<< Anonymous
Anonymous Reply
it's "comment" you dumbass learn to spell you Italian noob.
<< Anonymous
Anonymous Reply
🔥o yuo
<< Anonymous
Anonymous Reply
You got trigoro
You guys can just ignore this one...
Actually powerful effect but stats duh
Combine this with Gravity Blaster and you'll get field dominance really fast.
I summoned this card and my opponent was able to activate Floodgate Trap Hole. Not sure if this is a glitch or if this is how it's intended to work but unless Konami addressed this I would suggest don't summon unless you're sure your opponent doesn't have it set.
<< Anonymous(Romi)
Lifeless Reply
Floodgate doesnt target so it can still work against this card (similar to Mirror Wall as it doesnt target as well). Engineer only negates trap effects that targets him.
<< Anonymous(Romi)
Anonymous Reply
this should be 4 star
Goodbye mirage dragon
<< Anonymous(Derp)
Anonymous Reply
Not really. AG monsters suppress spell/traps only when they attack, if ur other monsters attack, they still can trigger spell/traps during battle phase. So mirage dragon still has value.

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Seeing Crystal Keeper as an ultra rare makes me hate Konami so much. Its like saying: "Hey ...
Which LD
You make way too many assumptions about people. That could leave you d e a d with the wrong person.
Why would anyone say otherwise?
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